/* Core styles for NTRON App Foundry */
:root {
    --color-bg: #f6f7ff;
    --color-surface: #ffffff;
    --color-elevated: #fdfdff;
    --color-accent: #20c8a1;
    --color-highlight: #6f67f2;
    --color-text: #1f2534;
    --color-text-soft: rgba(31, 37, 52, 0.72);
    --color-muted: #5d647a;
    --color-border: rgba(31, 37, 52, 0.12);
    --radius-lg: 28px;
    --radius-md: 20px;
    --radius-sm: 14px;
    --shadow-soft: 0 24px 64px rgba(112, 132, 180, 0.18);
    --shadow-card: 0 18px 48px rgba(112, 132, 180, 0.16);
    --max-width: 1120px;
    --section-space: clamp(3.5rem, 4vw, 5.2rem);
    --section-space-sm: clamp(2.5rem, 3vw, 3.8rem);
    --font-base: "Inter", "Segoe UI", Arial, sans-serif;
    --font-display: "Poppins", "Segoe UI", Arial, sans-serif;
}

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

body {
    margin: 0;
    font-family: var(--font-base);
    background: radial-gradient(circle at top left, #ffffff 0%, var(--color-bg) 55%);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

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

.container {
    width: min(var(--max-width), calc(100% - 3rem));
    margin-inline: auto;
}

header {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(16px);
    background: rgba(255, 255, 255, 0.92);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 8px 24px rgba(47, 60, 130, 0.08);
}

.top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.25rem;
    padding: 1.1rem 0;
}

.brand {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: 0.08em;
    font-size: 1.05rem;
    text-transform: uppercase;
    padding: 0.4rem 0.95rem;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    transition: background 0.3s ease;
    color: var(--color-text);
}

.brand:hover {
    background: rgba(111, 103, 242, 0.12);
}

.nav-toggle {
    display: none;
    position: relative;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid rgba(31, 37, 52, 0.18);
    background: var(--color-surface);
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.nav-toggle span,
.nav-toggle::before,
.nav-toggle::after {
    content: "";
    position: absolute;
    width: 18px;
    height: 2px;
    border-radius: 999px;
    background: var(--color-text);
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle span {
    transform: translateY(0);
}

.nav-toggle::before {
    transform: translateY(-6px);
}

.nav-toggle::after {
    transform: translateY(6px);
}

.nav-toggle[aria-expanded="true"] span {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"]::before {
    transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"]::after {
    transform: rotate(-45deg);
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.site-nav ul {
    display: flex;
    align-items: center;
    gap: 1rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-nav a {
    font-size: 0.95rem;
    padding: 0.55rem 0.95rem;
    border-radius: 999px;
    transition: background 0.18s ease, transform 0.18s ease;
    color: var(--color-muted);
}

.site-nav a:hover,
.site-nav a:focus-visible {
    background: rgba(32, 200, 161, 0.14);
    color: var(--color-text);
    transform: translateY(-2px);
}

.nav-cta {
    display: flex;
}

.action-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.75rem 1.45rem;
    border-radius: 999px;
    font-weight: 600;
    background: linear-gradient(120deg, var(--color-accent), var(--color-highlight));
    color: #0e1320;
    box-shadow: 0 12px 28px rgba(111, 103, 242, 0.28);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.action-pill:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 36px rgba(111, 103, 242, 0.24);
}

main section {
    padding-block: var(--section-space);
}

.hero {
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top right, rgba(111, 103, 242, 0.35), transparent 60%);
    opacity: 0.8;
    pointer-events: none;
}

.hero-grid {
    position: relative;
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: clamp(2rem, 3vw, 3.5rem);
    align-items: center;
}

.hero-text {
    grid-column: span 6;
    display: grid;
    gap: 1.6rem;
}

.eyebrow {
    font-size: 0.85rem;
    letter-spacing: 0.24em;
    color: var(--color-accent);
    text-transform: uppercase;
}

.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2.8rem, 3.8vw, 4.1rem);
    line-height: 1.08;
    margin: 0;
}

.hero p {
    margin: 0;
    max-width: 560px;
    color: var(--color-text-soft);
    font-size: 1.08rem;
}

.hero-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 1.1rem;
}

.hero-controls .cta {
    padding: 0.9rem 1.6rem;
    border-radius: 999px;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 600;
    cursor: pointer;
    background: linear-gradient(135deg, rgba(32, 200, 161, 0.95), rgba(111, 103, 242, 0.92));
    color: #0e1320;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.hero-controls .cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 40px rgba(32, 200, 161, 0.24);
}

.hero-controls .ghost {
    background: transparent;
    border: 1px dashed rgba(111, 103, 242, 0.55);
    color: var(--color-text);
}

.badge-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.badge {
    padding: 0.45rem 0.85rem;
    border-radius: 999px;
    border: 1px solid rgba(32, 200, 161, 0.32);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(31, 37, 52, 0.7);
    background: rgba(255, 255, 255, 0.9);
}

.hero-media {
    grid-column: span 6;
    position: relative;
    padding: clamp(1.8rem, 2.5vw, 2.4rem);
    border-radius: var(--radius-lg);
    background: var(--color-surface);
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(111, 103, 242, 0.18);
}

.hero-media figure {
    margin: 0;
    border-radius: calc(var(--radius-lg) - 8px);
    overflow: hidden;
}

.hero-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-slider {
    position: absolute;
    inset-inline: clamp(1.4rem, 3vw, 1.9rem);
    bottom: clamp(1.2rem, 2vw, 1.6rem);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.1rem;
    padding: 1.4rem 1.5rem;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(32, 200, 161, 0.25);
    background: rgba(250, 250, 255, 0.94);
}

.slider-label {
    font-size: 0.75rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: rgba(31, 37, 52, 0.45);
}

.slider-text {
    font-size: 1rem;
    color: var(--color-text);
    flex: 1;
}

.slider-nav {
    display: flex;
    gap: 0.5rem;
}

.slider-nav button {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid rgba(111, 103, 242, 0.28);
    background: rgba(111, 103, 242, 0.08);
    color: var(--color-text);
    cursor: pointer;
    transition: background 0.18s ease, transform 0.18s ease;
}

.slider-nav button:hover {
    background: rgba(32, 200, 161, 0.22);
    transform: translateY(-2px);
}

.section-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: clamp(1.6rem, 2vw, 2.6rem);
    margin-bottom: clamp(2.2rem, 3vw, 3.2rem);
}

.section-header h2 {
    margin: 0;
    font-family: var(--font-display);
    font-size: clamp(2rem, 2.6vw, 2.7rem);
}

.section-header p {
    margin: 0;
    max-width: 420px;
    color: var(--color-muted);
}

.feature-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-bottom: var(--section-space-sm);
}

.img-shell {
    position: relative;
    min-height: 160px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(111, 103, 242, 0.18);
    background: linear-gradient(135deg, rgba(111, 103, 242, 0.1), rgba(32, 200, 161, 0.1));
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 12px 32px rgba(112, 132, 180, 0.12);
}

.img-shell img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.grid {
    display: grid;
    gap: 1.8rem;
}

.grid.cols-3 {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
    padding: clamp(1.6rem, 2vw, 2rem);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(31, 37, 52, 0.08);
    display: grid;
    gap: 1rem;
    position: relative;
    overflow: hidden;
    min-height: 220px;
}

.card::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(111, 103, 242, 0.1), rgba(32, 200, 161, 0.1));
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.card:hover::after {
    opacity: 1;
}

.card strong {
    font-size: 1.18rem;
}

.matrix {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.matrix-item {
    padding: clamp(1.6rem, 2vw, 1.9rem);
    border-radius: var(--radius-md);
    border: 1px solid rgba(111, 103, 242, 0.2);
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 18px 40px rgba(112, 132, 180, 0.18);
    display: grid;
    gap: 0.85rem;
}

.matrix-item span {
    display: inline-flex;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-accent);
}

.timeline {
    display: grid;
    gap: 1.5rem;
}

.timeline-step {
    position: relative;
    padding-left: 3.2rem;
    border-left: 1px solid rgba(31, 37, 52, 0.08);
}

.timeline-step::before {
    content: attr(data-step);
    position: absolute;
    top: 0;
    left: -1.2rem;
    width: 2.4rem;
    height: 2.4rem;
    border-radius: 50%;
    border: 1px solid rgba(32, 200, 161, 0.4);
    display: grid;
    place-items: center;
    font-weight: 600;
    color: var(--color-accent);
    background: var(--color-elevated);
}

.accordion {
    display: grid;
    gap: 1rem;
}

.accordion-item {
    border-radius: var(--radius-md);
    border: 1px solid rgba(31, 37, 52, 0.1);
    background: rgba(255, 255, 255, 0.94);
    overflow: hidden;
}

.accordion-button {
    width: 100%;
    padding: 1.4rem 1.6rem;
    font-size: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.2rem;
    cursor: pointer;
    background: transparent;
    color: var(--color-text);
    border: none;
}

.accordion-button span {
    font-weight: 600;
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    padding: 0 1.6rem;
    color: var(--color-muted);
    transition: max-height 0.35s ease, padding 0.35s ease;
}

.accordion-item.active .accordion-content {
    max-height: 320px;
    padding: 0 1.6rem 1.4rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.stat {
    background: rgba(246, 248, 255, 0.88);
    border-radius: var(--radius-md);
    padding: clamp(1.5rem, 2vw, 1.8rem);
    border: 1px solid rgba(32, 200, 161, 0.25);
}

.stat strong {
    font-size: 2.1rem;
    display: block;
    margin-bottom: 0.6rem;
    font-family: var(--font-display);
}

.stat cite {
    display: block;
    margin-top: 0.8rem;
    font-size: 0.75rem;
    color: rgba(93, 100, 122, 0.78);
}

.case-slider {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(111, 103, 242, 0.22);
    background: rgba(255, 255, 255, 0.96);
}

.case-slide {
    display: none;
    padding: clamp(2.2rem, 3vw, 2.8rem);
}

.case-slide.active {
    display: grid;
    grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
    gap: clamp(1.5rem, 3vw, 2rem);
}

.case-slide h3 {
    margin: 0 0 1rem;
    font-size: 1.6rem;
}

.case-slide ul {
    padding-left: 1.1rem;
    margin: 0;
    display: grid;
    gap: 0.5rem;
    color: var(--color-muted);
}

.case-visual {
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid rgba(111, 103, 242, 0.18);
    background: linear-gradient(120deg, rgba(111, 103, 242, 0.15), rgba(32, 200, 161, 0.12));
}

.case-tabs {
    display: flex;
    gap: 0.5rem;
    position: absolute;
    bottom: 1.1rem;
    left: 50%;
    transform: translateX(-50%);
}

.case-tabs button {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: none;
    background: rgba(98, 109, 156, 0.25);
    cursor: pointer;
}

.case-tabs button.active {
    background: var(--color-accent);
}

.insights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.6rem;
}

.insight-card {
    padding: clamp(1.5rem, 2vw, 1.8rem);
    border-radius: var(--radius-md);
    border: 1px solid rgba(31, 37, 52, 0.08);
    background: rgba(255, 255, 255, 0.95);
    display: grid;
    gap: 1rem;
}

.cta-card {
    max-width: 720px;
    margin: 0 auto var(--section-space-sm);
    background: rgba(255, 255, 255, 0.96);
    border-radius: var(--radius-md);
    border: 1px solid rgba(32, 200, 161, 0.2);
    padding: clamp(1.8rem, 3vw, 2.4rem);
    box-shadow: 0 18px 36px rgba(112, 132, 180, 0.16);
    text-align: center;
    display: grid;
    gap: 1rem;
}

.contact-section {
    background: rgba(246, 248, 255, 0.78);
    border-top: 1px solid rgba(31, 37, 52, 0.08);
}

form {
    margin: 0 auto;
    max-width: 720px;
    display: grid;
    gap: 1.2rem;
}

label {
    display: grid;
    gap: 0.6rem;
    font-weight: 500;
}

input,
textarea {
    padding: 0.9rem 1.1rem;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(31, 37, 52, 0.12);
    background: rgba(255, 255, 255, 0.9);
    color: var(--color-text);
    font-size: 1rem;
    transition: border 0.2s ease, box-shadow 0.2s ease;
}

input:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(32, 200, 161, 0.18);
}

textarea {
    min-height: 140px;
    resize: vertical;
}

button[type="submit"] {
    justify-self: flex-start;
    padding: 0.9rem 2.1rem;
    border-radius: var(--radius-sm);
    border: none;
    background: linear-gradient(120deg, var(--color-highlight), var(--color-accent));
    color: #0e1320;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

button[type="submit"]:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 32px rgba(32, 200, 161, 0.24);
}

footer {
    background: rgba(248, 249, 255, 0.92);
    border-top: 1px solid rgba(31, 37, 52, 0.08);
    padding: var(--section-space-sm) 0 2.2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: clamp(1.8rem, 3vw, 2.6rem);
}

.footer-grid h4 {
    margin: 0 0 1rem;
    font-size: 1rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent);
}

.footer-links {
    display: grid;
    gap: 0.7rem;
    color: var(--color-muted);
}

.footer-meta {
    margin-top: clamp(1.8rem, 3vw, 2.4rem);
    font-size: 0.85rem;
    color: rgba(93, 100, 122, 0.78);
    text-align: center;
}

.cookie-banner {
    position: fixed;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: min(480px, calc(100% - 2rem));
    padding: 1.5rem;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(31, 37, 52, 0.12);
    box-shadow: 0 22px 48px rgba(112, 132, 180, 0.28);
    display: none;
    flex-direction: column;
    gap: 1rem;
    z-index: 50;
}

.cookie-banner p {
    margin: 0;
    font-size: 0.95rem;
    color: var(--color-muted);
}

.cookie-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.cookie-actions button {
    flex: 1;
    min-width: 120px;
    border-radius: 12px;
    border: 1px solid rgba(31, 37, 52, 0.12);
    padding: 0.65rem 1rem;
    font-weight: 600;
    cursor: pointer;
}

.cookie-actions .accept {
    background: linear-gradient(135deg, var(--color-accent), var(--color-highlight));
    border: none;
    color: #0e1320;
}

.cookie-actions .decline {
    background: transparent;
    color: var(--color-muted);
}

.page-hero {
    background: linear-gradient(135deg, rgba(111, 103, 242, 0.12), rgba(32, 200, 161, 0.12));
}

.page-hero__inner {
    display: grid;
    gap: 1.2rem;
    padding-block: var(--section-space-sm);
}

.text-stack {
    display: grid;
    gap: clamp(1.2rem, 2vw, 1.6rem);
}

.legal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.legal-card {
    padding: clamp(1.4rem, 2vw, 1.8rem);
    border-radius: var(--radius-md);
    border: 1px solid rgba(31, 37, 52, 0.08);
    background: rgba(255, 255, 255, 0.94);
    display: grid;
    gap: 0.8rem;
}

.legal-card strong {
    font-size: 1.02rem;
}

.legal-note {
    font-size: 0.92rem;
    color: var(--color-muted);
}

.nav-open {
    overflow: hidden;
}

@media (max-width: 1040px) {
    .hero-grid {
        grid-template-columns: repeat(12, 1fr);
    }

    .hero-text,
    .hero-media {
        grid-column: span 12;
    }
}

@media (max-width: 900px) {
    .nav-toggle {
        display: inline-flex;
    }

    .site-nav {
        position: absolute;
        inset: calc(100% + 1px) 0 auto 0;
        flex-direction: column;
        align-items: flex-start;
        gap: 1.2rem;
        padding: 1.4rem 1.5rem 1.8rem;
        background: rgba(255, 255, 255, 0.98);
        border-bottom: 1px solid rgba(31, 37, 52, 0.08);
        box-shadow: 0 18px 40px rgba(47, 60, 130, 0.1);
        transform: translateY(-20px);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.2s ease, transform 0.2s ease;
    }

    .site-nav ul {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
        gap: 0.5rem;
    }

    .site-nav a {
        width: 100%;
        padding: 0.6rem 0.8rem;
    }

    .nav-cta {
        width: 100%;
    }

    .nav-cta .action-pill {
        width: 100%;
        justify-content: center;
    }

    .site-nav.is-open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

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

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

    .hero-media {
        margin-inline: auto;
        width: min(580px, 100%);
    }

    .case-slide.active {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .container {
        width: calc(100% - 2.2rem);
    }

    .hero {
        padding-top: var(--section-space-sm);
    }

    main section {
        padding-block: clamp(2.4rem, 6vw, 3rem);
    }

    .hero-slider {
        position: static;
        margin-top: 1.4rem;
    }

    .cookie-actions button {
        min-width: 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}