:root {
    --primary: #1668f2;
    --primary-dark: #0f3d9e;
    --violet: #7c3aed;
    --cyan: #18c8ff;
    --ink: #101828;
    --muted: #667085;
    --white: #ffffff;
    --soft: #f5f8ff;
    --line: rgba(22, 104, 242, 0.14);
    --dark: #07132d;
    --glass: rgba(255, 255, 255, 0.74);
    --shadow: 0 24px 70px rgba(12, 31, 74, 0.14);
    --radius: 24px;
    --transition: 240ms ease;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Cairo", sans-serif;
    color: var(--ink);
    background: #fbfdff;
    overflow-x: hidden;
}

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

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

.container {
    width: min(1140px, calc(100% - 40px));
    margin-inline: auto;
}

.section {
    padding: 110px 0;
    position: relative;
}

.section-compact {
    padding: 55px 0;
    position: relative;
}

.page-bg {
    position: fixed;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: -2;
}

.bg-orbit {
    position: absolute;
    width: 520px;
    height: 520px;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.28;
    animation: drift 14s ease-in-out infinite alternate;
}

.orbit-one {
    top: -160px;
    right: -130px;
    background: linear-gradient(135deg, var(--primary), var(--cyan));
}

.orbit-two {
    left: -180px;
    bottom: 10%;
    background: linear-gradient(135deg, var(--violet), #00d4ff);
    animation-delay: -4s;
}

.grid-layer {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(22, 104, 242, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(22, 104, 242, 0.06) 1px, transparent 1px);
    background-size: 46px 46px;
    mask-image: radial-gradient(circle at top, #000 0, transparent 72%);
}

/* Header */
.site-header {
    position: fixed;
    top: 0;
    inset-inline: 0;
    z-index: 50;
    padding: 18px 0;
    transition: var(--transition);
}

.site-header.scrolled {
    padding: 10px 0;
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(18px);
    box-shadow: 0 12px 30px rgba(13, 36, 82, 0.08);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.45rem;
    font-weight: 900;
    letter-spacing: 0;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    color: var(--white);
    border-radius: 14px;
    background: linear-gradient(135deg, var(--primary), var(--violet));
    box-shadow: 0 12px 32px rgba(22, 104, 242, 0.34);
}

.nav-panel,
.nav-links {
    display: flex;
    align-items: center;
    gap: 26px;
}

.nav-links {
    padding: 0;
    margin: 0;
    list-style: none;
}

.nav-links a {
    color: #263b61;
    font-weight: 700;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--primary);
}

.menu-toggle {
    display: none;
    width: 46px;
    height: 46px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--white);
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    margin: 5px auto;
    background: var(--ink);
    border-radius: 10px;
    transition: var(--transition);
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 12px 24px;
    border: 0;
    border-radius: 16px;
    font-weight: 800;
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
    white-space: nowrap;
}

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

.btn-primary {
    color: var(--white);
    background: linear-gradient(135deg, var(--primary), var(--violet));
    box-shadow: 0 16px 34px rgba(22, 104, 242, 0.28);
}

.btn-secondary {
    color: var(--primary-dark);
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(22, 104, 242, 0.18);
}

.btn-light {
    color: var(--primary-dark);
    background: var(--white);
    box-shadow: 0 18px 42px rgba(0, 0, 0, 0.14);
}

/* Hero */
.hero {
    min-height: 100vh;
    display: grid;
    align-items: center;
    padding-top: 140px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 0.94fr;
    align-items: center;
    gap: 58px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    color: var(--primary);
    font-size: 0.92rem;
    font-weight: 900;
}

.eyebrow::before {
    content: "";
    width: 26px;
    height: 3px;
    border-radius: 50px;
    background: linear-gradient(90deg, var(--primary), var(--violet));
}

.hero h1,
.section-heading h2,
.cta h2,
.contact-info h2 {
    margin: 0;
    color: var(--ink);
    line-height: 1.25;
}

.hero h1 {
    max-width: 720px;
    font-size: clamp(2.4rem, 5vw, 5rem);
    font-weight: 900;
}

.hero p {
    max-width: 620px;
    margin: 22px 0 0;
    color: var(--muted);
    font-size: 1.17rem;
    line-height: 2;
}

.hero-actions,
.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 32px;
}

.hero-badges span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    color: #24405f;
    background: rgba(255, 255, 255, 0.66);
    border: 1px solid rgba(22, 104, 242, 0.12);
    border-radius: 999px;
    box-shadow: 0 12px 30px rgba(12, 31, 74, 0.08);
}

.hero-visual {
    position: relative;
    min-height: 520px;
    display: grid;
    place-items: center;
}

.tech-ring {
    position: absolute;
    inset: 42px;
    border-radius: 50%;
    border: 1px solid rgba(22, 104, 242, 0.16);
    background:
        radial-gradient(circle at 35% 25%, rgba(24, 200, 255, 0.2), transparent 28%),
        radial-gradient(circle at 70% 74%, rgba(124, 58, 237, 0.22), transparent 32%);
    animation: pulseRing 4s ease-in-out infinite;
}

.hero-image-card {
    position: relative;
    z-index: 2;
    width: min(100%, 620px);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.72);
    border-radius: 30px;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.16), rgba(22, 104, 242, 0.08));
    box-shadow: 0 32px 90px rgba(7, 19, 45, 0.24);
    animation: float 5.5s ease-in-out infinite;
}

.hero-image-card::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(24, 200, 255, 0.2), transparent 32%, rgba(124, 58, 237, 0.18));
    pointer-events: none;
}

.hero-image-card img {
    display: block;
    width: 100%;
    height: auto;
}

/* Shared sections */
.split-layout {
    display: grid;
    grid-template-columns: 0.86fr 1.14fr;
    gap: 52px;
    align-items: center;
}

.section-heading h2,
.cta h2,
.contact-info h2 {
    font-size: clamp(2rem, 3.2vw, 3.3rem);
    font-weight: 900;
}

.section-heading p,
.contact-info p,
.cta p,
.about-panel p {
    color: var(--muted);
    line-height: 2;
    font-size: 1.05rem;
}

.centered {
    max-width: 720px;
    margin: 0 auto 46px;
    text-align: center;
}

.centered .eyebrow {
    justify-content: center;
}

.glass-panel {
    border: 1px solid rgba(255, 255, 255, 0.62);
    border-radius: var(--radius);
    background: var(--glass);
    box-shadow: var(--shadow);
    backdrop-filter: blur(20px);
}

.about-panel {
    padding: 34px;
}

.feature-list {
    display: grid;
    gap: 14px;
    padding: 0;
    margin: 26px 0 0;
    list-style: none;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #273b5c;
    font-weight: 800;
}

.feature-list i {
    color: var(--primary);
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.stat-card {
    padding: 28px 18px;
    text-align: center;
    border: 1px solid rgba(22, 104, 242, 0.12);
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.74);
    box-shadow: 0 16px 36px rgba(12, 31, 74, 0.08);
}

.stat-card strong {
    display: block;
    color: var(--primary);
    font-size: clamp(2rem, 4vw, 3.4rem);
    font-weight: 900;
}

.stat-card span {
    color: var(--muted);
    font-weight: 800;
}

/* Cards */
.cards-grid,
.work-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.service-card,
.work-card,
.process-step,
.why-item {
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(22, 104, 242, 0.12);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.78);
    box-shadow: 0 16px 44px rgba(12, 31, 74, 0.08);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.service-card::before,
.work-card::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, rgba(22, 104, 242, 0.55), rgba(124, 58, 237, 0.35), transparent 60%);
    mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    mask-composite: exclude;
    opacity: 0;
    transition: var(--transition);
}

.service-card:hover,
.work-card:hover,
.process-step:hover,
.why-item:hover {
    transform: translateY(-8px);
    border-color: rgba(22, 104, 242, 0.26);
    box-shadow: 0 28px 70px rgba(12, 31, 74, 0.14);
}

.service-card:hover::before,
.work-card:hover::before {
    opacity: 1;
}

.service-card {
    padding: 30px;
}

.service-card i {
    display: grid;
    place-items: center;
    width: 58px;
    height: 58px;
    margin-bottom: 18px;
    color: var(--white);
    border-radius: 18px;
    background: linear-gradient(135deg, var(--primary), var(--violet));
    box-shadow: 0 16px 34px rgba(22, 104, 242, 0.24);
}

.service-card h3,
.work-card h3,
.process-step h3 {
    margin: 0 0 12px;
    font-size: 1.25rem;
}

.service-card p,
.process-step p {
    margin: 0;
    color: var(--muted);
    line-height: 1.9;
}

/* Works */
.work-card {
    padding: 16px;
}

.work-preview {
    aspect-ratio: 16 / 10;
    margin-bottom: 18px;
    border-radius: 18px;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(22, 104, 242, 0.12), rgba(124, 58, 237, 0.12));
}

.work-preview img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 420ms ease, filter 420ms ease;
}

.work-card:hover .work-preview img {
    transform: scale(1.06);
    filter: saturate(1.08) contrast(1.03);
}

.work-card h3 {
    padding: 0 4px 8px;
}

/* Why */
.why-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.why-item {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 78px;
    padding: 18px;
    color: #263b61;
    font-weight: 800;
}

.why-item i {
    color: var(--primary);
    font-size: 1.15rem;
}

/* Process */
.timeline {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}

.process-step {
    padding: 24px;
}

.process-step span {
    display: inline-grid;
    place-items: center;
    width: 44px;
    height: 44px;
    margin-bottom: 18px;
    color: var(--white);
    border-radius: 14px;
    background: linear-gradient(135deg, var(--primary), var(--violet));
    font-weight: 900;
}

/* CTA */
.cta-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    padding: 44px;
    color: var(--white);
    border-radius: 30px;
    background:
        radial-gradient(circle at 10% 18%, rgba(24, 200, 255, 0.32), transparent 26%),
        linear-gradient(135deg, var(--dark), var(--primary-dark) 46%, var(--violet));
    box-shadow: 0 28px 80px rgba(7, 19, 45, 0.24);
}

.cta-box h2,
.cta-box p,
.cta-box .eyebrow {
    color: var(--white);
}

.cta-box p {
    max-width: 650px;
    margin: 16px 0 0;
    opacity: 0.9;
}

.cta-box .eyebrow::before {
    background: var(--white);
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: 0.86fr 1.14fr;
    gap: 42px;
    align-items: start;
}

.contact-methods {
    display: grid;
    gap: 14px;
    margin-top: 28px;
}

.contact-methods a,
.contact-methods span {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #263b61;
    font-weight: 800;
}

.contact-methods i {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    color: var(--white);
    border-radius: 14px;
    background: linear-gradient(135deg, var(--primary), var(--violet));
}

.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    padding: 28px;
}

.form-row {
    display: grid;
    gap: 8px;
}

.form-row.full,
.btn.full {
    grid-column: 1 / -1;
}

label {
    color: #263b61;
    font-weight: 800;
}

input,
select,
textarea {
    width: 100%;
    border: 1px solid rgba(22, 104, 242, 0.14);
    border-radius: 16px;
    outline: none;
    background: rgba(255, 255, 255, 0.82);
    color: var(--ink);
    transition: var(--transition);
}

input,
select {
    height: 52px;
    padding: 0 16px;
}

textarea {
    padding: 14px 16px;
    resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(22, 104, 242, 0.1);
}

/* Footer */
.footer {
    padding-top: 58px;
    color: rgba(255, 255, 255, 0.82);
    background: var(--dark);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.35fr 1fr 1fr 0.8fr;
    gap: 34px;
}

.footer .brand,
.footer h3 {
    color: var(--white);
}

.footer p {
    max-width: 390px;
    line-height: 1.9;
}

.footer h3 {
    margin: 0 0 18px;
}

.footer a:not(.brand) {
    display: block;
    margin-bottom: 12px;
    transition: var(--transition);
}

.footer a:hover {
    color: var(--cyan);
}

.social-links {
    display: flex;
    gap: 10px;
}

.social-links a {
    display: grid !important;
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.1);
}

.copyright {
    margin-top: 44px;
    padding: 18px;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.back-to-top {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 40;
    display: grid;
    place-items: center;
    width: 48px;
    height: 48px;
    color: var(--white);
    border: 0;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--primary), var(--violet));
    box-shadow: 0 18px 40px rgba(22, 104, 242, 0.3);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px);
    transition: var(--transition);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 700ms ease, transform 700ms ease;
}

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

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-16px);
    }
}

@keyframes pulseRing {
    0%, 100% {
        transform: scale(1);
        opacity: 0.9;
    }
    50% {
        transform: scale(1.04);
        opacity: 0.62;
    }
}

@keyframes drift {
    to {
        transform: translate3d(52px, 44px, 0) scale(1.08);
    }
}

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

    .hero {
        padding-bottom: 50px;
    }

    .hero-visual {
        min-height: 470px;
    }

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

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

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

@media (max-width: 820px) {
    .menu-toggle {
        display: block;
    }

    .nav-panel {
        position: fixed;
        top: 78px;
        right: 20px;
        left: 20px;
        display: grid;
        gap: 20px;
        padding: 22px;
        border: 1px solid rgba(22, 104, 242, 0.14);
        border-radius: 22px;
        background: rgba(255, 255, 255, 0.94);
        box-shadow: var(--shadow);
        backdrop-filter: blur(20px);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-14px);
        transition: var(--transition);
    }

    .nav-panel.open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .nav-links {
        display: grid;
        gap: 16px;
    }

    .nav-cta {
        width: 100%;
    }

    .section {
        padding: 82px 0;
    }

    .hero {
        min-height: auto;
        padding-top: 130px;
    }

    .hero-actions .btn {
        flex: 1 1 180px;
    }
}

@media (max-width: 640px) {
    .container {
        width: min(100% - 28px, 1140px);
    }

    .hero h1 {
        font-size: 2.35rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .hero-visual {
        min-height: 410px;
    }

    .hero-image-card {
        border-radius: 22px;
    }

    .cards-grid,
    .work-grid,
    .timeline,
    .stats-grid,
    .why-grid,
    .contact-form,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .cta-box {
        display: grid;
        padding: 30px;
    }

    .btn-light {
        width: 100%;
    }

    .footer {
        padding-top: 42px;
    }
}

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