:root {
    --bg: #b3cdc4;
    --surface: rgba(244, 247, 245, 0.48);
    --surface-strong: #e4ece8;
    --text: #090b09;
    --muted: rgba(9, 11, 9, 0.62);
    --soft: rgba(9, 11, 9, 0.43);
    --line: rgba(9, 11, 9, 0.17);
    --line-strong: rgba(9, 11, 9, 0.30);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: rgba(0, 0, 0, .28) var(--bg);
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "DM Sans", sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

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

a {
    color: inherit;
}

::selection {
    background: rgba(0, 0, 0, .14);
}

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, .22);
    border: 2px solid var(--bg);
    border-radius: 20px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, .40);
}


/* =========================================================
   HEADER
========================================================= */

.main-header {
    width: 100%;
    min-height: 190px;
    padding: 42px 58px 34px;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 35px;
}

.header-content {
    max-width: 850px;
}

.eyebrow {
    margin-bottom: 13px;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: .27em;
    text-transform: uppercase;
    color: rgba(0, 0, 0, .50);
}

.gradient-text {
    margin: 0;
    display: inline-block;
    font-family: "Manrope", sans-serif;
    font-size: clamp(2rem, 3.4vw, 3rem);
    line-height: 1;
    font-weight: 700;
    letter-spacing: -.055em;
    background: linear-gradient(
        135deg,
        #050605 0%,
        #171a18 50%,
        #77827d 100%
    );
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gradient-text span {
    opacity: .48;
    padding: 0 4px;
}

.title-underline {
    width: min(500px, 70vw);
    height: 2px;
    margin-top: 18px;
    background: linear-gradient(
        90deg,
        rgba(0, 0, 0, .80),
        rgba(0, 0, 0, .10)
    );
}

.header-subtitle {
    max-width: 560px;
    margin: 17px 0 0;
    color: var(--muted);
    font-size: .88rem;
    line-height: 1.75;
}

.header-logos {
    display: flex;
    align-items: center;
    gap: 16px;
    padding-top: 4px;
}

.app-logo {
    width: 64px;
    height: 64px;
    object-fit: contain;
    transition: transform .3s ease;
}

.topic-logo {
    filter: drop-shadow(0 7px 16px rgba(0, 0, 0, .14));
}

.adel-logo {
    width: 56px;
    height: 56px;
}

.app-logo:hover {
    transform: translateY(-3px);
}


/* =========================================================
   GENERAL
========================================================= */

.hero-section,
.intro-section,
.content-section,
.preview-section,
.cta-section {
    width: 100%;
    max-width: 1380px;
    margin: 0 auto;
    padding-left: 58px;
    padding-right: 58px;
}

.section-index {
    margin-bottom: 25px;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: .25em;
    text-transform: uppercase;
    color: rgba(0, 0, 0, .44);
}


/* =========================================================
   HERO
========================================================= */

.hero-section {
    padding-top: 90px;
    padding-bottom: 125px;
}

.hero-copy h2 {
    margin: 0;
    max-width: 1000px;
    font-family: "Manrope", sans-serif;
    font-size: clamp(4rem, 8vw, 8.3rem);
    line-height: .94;
    font-weight: 600;
    letter-spacing: -.085em;
    color: #080a08;
}

.hero-copy > p {
    max-width: 650px;
    margin: 42px 0 0;
    color: var(--muted);
    font-size: 1rem;
    line-height: 1.9;
}

.hero-actions {
    margin-top: 40px;
    display: flex;
    align-items: center;
    gap: 25px;
    flex-wrap: wrap;
}

.primary-button,
.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 22px;
    min-height: 50px;
    padding: 0 25px;
    background: #101210;
    border: 1px solid #101210;
    color: #edf3ef;
    text-decoration: none;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .18em;
    transition: transform .3s ease, background .3s ease;
}

.primary-button span,
.cta-button span {
    font-size: 15px;
    font-weight: 400;
}

.primary-button:hover,
.cta-button:hover {
    transform: translateY(-3px);
    background: #000;
}

.hero-meta {
    font-size: 9px;
    font-weight: 600;
    letter-spacing: .19em;
    color: var(--soft);
}


/* =========================================================
   INTRO
========================================================= */

.intro-section {
    padding-top: 115px;
    padding-bottom: 125px;
    border-top: 1px solid var(--line);
}

.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 100px;
}

.intro-grid h2,
.preview-information h2,
.cta-section h2 {
    margin: 0;
    font-family: "Manrope", sans-serif;
    font-size: clamp(2.7rem, 5vw, 5.2rem);
    line-height: 1.02;
    font-weight: 600;
    letter-spacing: -.07em;
}

.intro-text {
    max-width: 540px;
    padding-top: 8px;
}

.intro-text p {
    margin: 0 0 25px;
    color: var(--muted);
    font-size: .96rem;
    line-height: 1.95;
}


/* =========================================================
   CONTENT
========================================================= */

.content-section {
    padding-top: 105px;
    padding-bottom: 125px;
    border-top: 1px solid var(--line);
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 1px solid var(--line-strong);
    border-bottom: 1px solid var(--line-strong);
}

.content-card {
    min-height: 260px;
    padding: 29px 27px 32px;
    border-right: 1px solid var(--line);
    transition: background .3s ease;
}

.content-card:last-child {
    border-right: 0;
}

.content-card:hover {
    background: rgba(255, 255, 255, .14);
}

.card-number {
    display: block;
    margin-bottom: 68px;
    font-family: monospace;
    font-size: 10px;
    letter-spacing: .12em;
    color: rgba(0, 0, 0, .40);
}

.content-card h3 {
    margin: 0 0 13px;
    font-family: "Manrope", sans-serif;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: .12em;
}

.content-card p {
    max-width: 235px;
    margin: 0;
    color: var(--muted);
    font-size: .82rem;
    line-height: 1.75;
}


/* =========================================================
   PREVIEW — CLEAN / SINGLE FEATURE
========================================================= */

.preview-section {
    padding-top: 110px;
    padding-bottom: 130px;
    border-top: 1px solid var(--line);
}

.preview-layout {
    display: grid;
    grid-template-columns: minmax(300px, 470px) minmax(0, 1fr);
    gap: 90px;
    align-items: center;
}

.preview-cover {
    width: 100%;
    padding: 11px;
    background: rgba(244, 247, 245, .42);
    border: 1px solid var(--line-strong);
    box-shadow: 0 25px 60px rgba(20, 38, 32, .08);
}

.preview-cover img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
}

.preview-information {
    max-width: 680px;
}

.preview-label {
    margin-bottom: 10px;
    font-size: 9px;
    font-weight: 600;
    letter-spacing: .23em;
    color: rgba(0, 0, 0, .43);
}

.preview-code {
    margin-bottom: 27px;
    font-family: monospace;
    font-size: 10px;
    letter-spacing: .15em;
    color: rgba(0, 0, 0, .38);
}

.preview-information h2 {
    font-size: clamp(3.2rem, 6vw, 6rem);
}

.preview-type {
    margin: 22px 0 0;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .18em;
    color: rgba(0, 0, 0, .55);
}

.preview-description {
    max-width: 540px;
    margin: 27px 0 0;
    color: var(--muted);
    font-size: .91rem;
    line-height: 1.9;
}

.preview-meta {
    max-width: 560px;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--line);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.preview-meta div {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.preview-meta span {
    font-size: 8px;
    font-weight: 600;
    letter-spacing: .18em;
    color: rgba(0, 0, 0, .39);
}

.preview-meta strong {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .08em;
}


/* =========================================================
   CTA
========================================================= */

.cta-section {
    padding-top: 115px;
    padding-bottom: 140px;
    border-top: 1px solid var(--line);
    text-align: center;
}

.cta-index {
    margin-bottom: 25px;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: .25em;
    color: rgba(0, 0, 0, .42);
}

.cta-section h2 {
    font-size: clamp(3.2rem, 7vw, 7rem);
}

.cta-section p {
    margin: 29px auto 35px;
    color: var(--muted);
    font-size: .9rem;
}


/* =========================================================
   FOOTER
========================================================= */

.site-footer {
    width: 100%;
    padding: 38px 58px 28px;
    border-top: 1px solid var(--line-strong);
}

.footer-main {
    max-width: 1380px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
}

.footer-left,
.footer-right {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(0, 0, 0, .50);
    font-size: 12px;
    font-weight: 500;
}

.footer-title {
    color: rgba(0, 0, 0, .80);
    font-weight: 700;
}

.footer-separator {
    color: rgba(0, 0, 0, .28);
}

.footer-logo {
    width: 34px;
    height: 34px;
    object-fit: contain;
    margin-left: 3px;
}

.tm-mark {
    align-self: flex-start;
    margin-left: -7px;
    margin-top: -5px;
    font-size: 11px;
    color: rgba(0, 0, 0, .50);
}

.footer-legal {
    max-width: 1380px;
    margin: 27px auto 0;
    padding-top: 20px;
    border-top: 1px solid rgba(0, 0, 0, .09);
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 13px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .06em;
    color: rgba(0, 0, 0, .42);
}

.footer-legal a {
    text-decoration: none;
    transition: color .25s ease;
}

.footer-legal a:hover {
    color: #000;
}


/* =========================================================
   TABLET
========================================================= */

@media (max-width: 1000px) {

    .hero-copy h2 {
        font-size: clamp(3.7rem, 9vw, 6.5rem);
    }

    .intro-grid {
        gap: 60px;
    }

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

    .content-card:nth-child(2) {
        border-right: 0;
    }

    .content-card:nth-child(-n + 2) {
        border-bottom: 1px solid var(--line);
    }

    .preview-layout {
        grid-template-columns: minmax(280px, 400px) 1fr;
        gap: 55px;
    }

}


/* =========================================================
   MOBILE
========================================================= */

@media (max-width: 760px) {

    .main-header {
        min-height: auto;
        padding: 28px 22px 24px;
        gap: 20px;
    }

    .header-logos {
        gap: 8px;
    }

    .app-logo {
        width: 44px;
        height: 44px;
    }

    .adel-logo {
        width: 40px;
        height: 40px;
    }

    .gradient-text {
        font-size: 1.7rem;
    }

    .header-subtitle {
        font-size: .75rem;
    }

    .hero-section,
    .intro-section,
    .content-section,
    .preview-section,
    .cta-section {
        padding-left: 22px;
        padding-right: 22px;
    }

    .hero-section {
        padding-top: 65px;
        padding-bottom: 85px;
    }

    .hero-copy h2 {
        font-size: clamp(3.1rem, 14vw, 5rem);
    }

    .hero-copy > p {
        margin-top: 30px;
        font-size: .86rem;
    }

    .intro-section,
    .content-section,
    .preview-section,
    .cta-section {
        padding-top: 80px;
        padding-bottom: 90px;
    }

    .intro-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .intro-grid h2 {
        font-size: 3rem;
    }

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

    .content-card {
        min-height: 210px;
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .content-card:last-child {
        border-bottom: 0;
    }

    .card-number {
        margin-bottom: 45px;
    }

    .preview-layout {
        grid-template-columns: 1fr;
        gap: 45px;
    }

    .preview-cover {
        max-width: 470px;
    }

    .preview-information h2 {
        font-size: 3.4rem;
    }

    .preview-meta {
        gap: 15px;
    }

    .cta-section h2 {
        font-size: 3.2rem;
    }

    .site-footer {
        padding: 30px 22px 25px;
    }

    .footer-main {
        flex-direction: column;
        text-align: center;
    }

    .footer-left,
    .footer-right {
        justify-content: center;
        flex-wrap: wrap;
        font-size: 8px;
    }

    .footer-legal {
        font-size: 7px;
        gap: 8px;
    }
}


/* =========================================================
   SMALL MOBILE
========================================================= */

@media (max-width: 480px) {

    .main-header {
        padding: 23px 15px 20px;
    }

    .eyebrow {
        font-size: 7px;
        letter-spacing: .17em;
    }

    .gradient-text {
        font-size: 1.35rem;
    }

    .title-underline {
        margin-top: 12px;
        width: 85%;
    }

    .header-subtitle {
        font-size: .67rem;
    }

    .app-logo {
        width: 35px;
        height: 35px;
    }

    .adel-logo {
        width: 32px;
        height: 32px;
    }

    .hero-section,
    .intro-section,
    .content-section,
    .preview-section,
    .cta-section {
        padding-left: 17px;
        padding-right: 17px;
    }

    .hero-section {
        padding-top: 52px;
        padding-bottom: 70px;
    }

    .hero-copy h2 {
        font-size: 2.9rem;
    }

    .section-index {
        font-size: 8px;
    }

    .primary-button {
        min-height: 46px;
        font-size: 8px;
    }

    .preview-information h2 {
        font-size: 2.8rem;
    }

    .preview-description {
        font-size: .8rem;
    }

    .preview-meta span {
        font-size: 7px;
    }

    .preview-meta strong {
        font-size: 8px;
    }

    .cta-section h2 {
        font-size: 2.8rem;
    }
}