:root {
    --color-primary: #7f59a4;
    --color-dark: #383023;
    --color-accent: #f98b3d;
    --color-light: #f0f0f0;

    --fs-xs: 14px;
    --fs-sm: 16px;
    --fs-md: 18px;
    --fs-lg: 20px;

    --radius-sm: 8px;
    --radius-md: 14px;
    --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.08);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Cairo", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background-color: #ffffff;
    color: var(--color-dark);
    line-height: 1.6;
}

html[lang="en"] body {
    font-family: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

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

.container {
    width: min(1120px, 100% - 32px);
    margin-inline: auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding-block: 12px;
}

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

.brand__logo {
    height: 60px;
    width: auto;
}

.brand__text {
    display: flex;
    flex-direction: column;
}

.brand__name {
    font-size: var(--fs-lg);
    font-weight: 700;
    color: var(--color-primary);
}

.brand__tagline {
    font-size: var(--fs-xs);
    color: #777;
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 18px;
    font-size: var(--fs-sm);
}

.main-nav a {
    padding-inline: 4px;
    padding-block: 4px;
    border-radius: 999px;
    transition: color 0.2s ease, background-color 0.2s ease;
}

.main-nav a:hover {
    color: var(--color-primary);
    background-color: rgba(127, 89, 164, 0.06);
}

.lang-switch {
    display: flex;
    gap: 6px;
    background-color: var(--color-light);
    padding: 4px;
    border-radius: 999px;
}

.lang-switch__btn {
    border: none;
    border-radius: 999px;
    padding: 4px 10px;
    font-size: var(--fs-xs);
    cursor: pointer;
    background: transparent;
    color: var(--color-dark);
    transition: background-color 0.2s ease, color 0.2s ease;
}

.lang-switch__btn--active {
    background-color: var(--color-primary);
    color: #fff;
}

.hero {
    padding-block: 64px 56px;
    background: radial-gradient(circle at top left, rgba(127, 89, 164, 0.18), transparent 55%),
                radial-gradient(circle at bottom right, rgba(249, 139, 61, 0.16), transparent 55%);
}

.hero__inner {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 40px;
    align-items: center;
}

.hero__title {
    font-size: 28px;
    line-height: 1.3;
    margin-bottom: 12px;
    color: var(--color-dark);
}

.hero__subtitle {
    font-size: var(--fs-md);
    color: #5a5650;
    margin-bottom: 20px;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 18px;
    border-radius: 999px;
    border: 1px solid transparent;
    font-size: var(--fs-sm);
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.btn--primary {
    background-color: var(--color-primary);
    color: #fff;
    box-shadow: 0 10px 28px rgba(127, 89, 164, 0.35);
}

.btn--primary:hover {
    background-color: #6e4894;
}

.btn--ghost {
    border-color: rgba(56, 48, 35, 0.26);
    color: var(--color-dark);
    background-color: rgba(255, 255, 255, 0.7);
}

.btn--ghost:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background-color: rgba(127, 89, 164, 0.04);
}

.hero__visual {
    display: flex;
    justify-content: center;
}

.hero__image {
    width: 100%;
    max-width: 420px;
    border-radius: 24px;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(0, 0, 0, 0.03);
    object-fit: cover;
}

.section {
    padding-block: 56px;
    background-color: #fff;
}

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

.section__inner {
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.section__inner--split {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px;
}

.section__header {
    text-align: center;
}

.section__header--left {
    text-align: start;
}

.section__title {
    font-size: 22px;
    margin-bottom: 6px;
    color: var(--color-dark);
}

.section__subtitle {
    font-size: var(--fs-sm);
    color: #777;
}

.section__text {
    font-size: var(--fs-sm);
    color: #555;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.service-card {
    padding: 18px 18px 16px;
    border-radius: var(--radius-md);
    background-color: #fff;
    border: 1px solid rgba(0, 0, 0, 0.03);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.03);
}

.service-card__title {
    font-size: var(--fs-md);
    margin-bottom: 6px;
    color: var(--color-primary);
}

.service-card__text {
    font-size: var(--fs-sm);
    color: #555;
}

.contact-placeholder {
    border-radius: var(--radius-md);
    border: 1px dashed rgba(56, 48, 35, 0.3);
    padding: 18px;
    background: rgba(255, 255, 255, 0.7);
}

.site-footer {
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    padding-block: 16px;
    background-color: #fff;
}

.footer-inner {
    text-align: center;
}

.footer__copy {
    font-size: var(--fs-xs);
    color: #777;
}

body[data-lang="en"] {
    direction: ltr;
}

body[data-lang="en"] .section__header--left,
body[data-lang="en"] .section__header {
    text-align: left;
}

.whatsapp-widget {
    position: fixed;
    bottom: 18px;
    inset-inline-end: 18px;
    z-index: 40;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
}

.whatsapp-toggle {
    border: none;
    padding: 0;
    background: transparent;
    cursor: pointer;
    border-radius: 999px;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.25);
    animation: whatsapp-pulse 1.8s infinite ease-in-out;
}

.whatsapp-toggle__icon {
    width: 52px;
    height: 52px;
    display: block;
}

.whatsapp-panel {
    display: none;
    background-color: #ffffff;
    border-radius: 16px;
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.18);
    padding: 12px 12px 10px;
    width: min(280px, 88vw);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.whatsapp-panel--open {
    display: block;
}

.whatsapp-title {
    font-size: var(--fs-xs);
    margin-bottom: 6px;
    color: #444;
}

.whatsapp-input {
    width: 100%;
    border-radius: 10px;
    border: 1px solid rgba(0, 0, 0, 0.16);
    padding: 6px 8px;
    font-size: var(--fs-xs);
    font-family: inherit;
    resize: vertical;
    min-height: 60px;
}

.whatsapp-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 1px rgba(127, 89, 164, 0.25);
}

.whatsapp-send {
    margin-top: 6px;
    width: 100%;
    font-size: var(--fs-xs);
}

@keyframes whatsapp-pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.6);
    }
    70% {
        transform: scale(1.06);
        box-shadow: 0 0 0 12px rgba(37, 211, 102, 0);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

@media (max-width: 900px) {
    .hero__inner {
        grid-template-columns: minmax(0, 1fr);
        gap: 26px;
    }

    .hero__visual {
        order: -1;
    }

    .header-inner {
        flex-wrap: wrap;
        align-items: flex-start;
    }

    .main-nav ul {
        font-size: var(--fs-xs);
        gap: 10px;
    }

    .brand__name {
        font-size: var(--fs-md);
    }
}

@media (max-width: 640px) {
    .services-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .section__inner--split {
        grid-template-columns: minmax(0, 1fr);
    }

    .hero {
        padding-block: 42px 36px;
    }

    .hero__title {
        font-size: 24px;
    }

    .hero__subtitle {
        font-size: var(--fs-sm);
    }
}

@media (max-width: 480px) {
    .header-inner {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .brand {
        justify-content: center;
    }

    .main-nav ul {
        justify-content: center;
        flex-wrap: wrap;
        row-gap: 6px;
    }

    .lang-switch {
        align-self: center;
    }

    .hero {
        padding-block: 32px 28px;
    }

    .hero__title {
        font-size: 20px;
    }

    .hero__subtitle {
        font-size: var(--fs-xs);
    }

    .btn {
        padding: 8px 14px;
        font-size: var(--fs-xs);
    }

    .section {
        padding-block: 40px;
    }

    .section__title {
        font-size: 18px;
    }
}