:root {
    --yellow-main: #ffc800;
    --yellow-dark: #e0ae00;
    --yellow-soft: #fff7cf;
    --white: #ffffff;
    --text-main: #222222;
    --text-muted: #666666;
    --shadow-soft: 0 14px 30px rgba(0, 0, 0, 0.06);
    --radius-lg: 24px;
    --radius-md: 18px;
    --radius-sm: 12px;
}

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

html,
body {
    margin: 0;
    padding: 0;
    font-family: "Cairo", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--white);
    color: var(--text-main);
    scroll-behavior: smooth;
}

body {
    line-height: 1.7;
}

.container {
    width: min(1200px, 100% - 32px);
    margin-inline: auto;
}

/* شريط علوي */
.navbar {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 200, 0, 0.25);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding-block: 10px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-mark {
    width: 44px;
    height: 44px;
    border-radius: 999px;
    overflow: hidden;
    background: #fff;
    box-shadow: var(--shadow-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

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

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-weight: 700;
    font-size: 18px;
}

.logo-subtitle {
    font-size: 12px;
    color: var(--text-muted);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 14px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-main);
    padding: 6px 10px;
    border-radius: 999px;
    transition: background 0.2s, transform 0.15s;
}

.nav-links a:hover {
    background: var(--yellow-soft);
    transform: translateY(-1px);
}

.nav-cta {
    font-size: 14px;
}

/* أزرار */
.btn-primary,
.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 18px;
    border-radius: 999px;
    border: none;
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
    font-size: 14px;
    transition: transform 0.15s ease, box-shadow 0.15s.ease, background 0.15s.ease,
        color 0.15s.ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--yellow-main), var(--yellow-dark));
    color: #000;
    box-shadow: var(--shadow-soft);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.1);
}

.btn-outline {
    border: 1px solid var(--yellow-main);
    background: transparent;
    color: var(--text-main);
}

.btn-outline:hover {
    background: var(--yellow-soft);
}

.full-width {
    width: 100%;
}

/* البانر الرئيسي */
.hero {
    position: relative;
    min-height: 150vh; /* مره ونص من الشاشة */
    padding: 80px 0 60px;
    background: linear-gradient(120deg, rgba(255, 247, 207, 0.25), #ffffff);
    overflow: hidden;
}

/* فيديو الخلفية يغطي الهيرو كله */
.hero-video {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 50vh;
    object-fit: cover;
    z-index: 0;
    filter: brightness(0.78);
}

/* طبقة الخلفية المتحركة (مخفية – بدون شمس ولا خطوط) */
.hero-visual-layer {
    display: none;
}

/* تدرّج فوق الخلفية */
.hero-overlay {
    position: absolute;
    inset: 0;
    opacity: 0.12;
    background-image: radial-gradient(circle at 20% 20%, rgba(255, 200, 0, 0.45), transparent 55%),
        radial-gradient(circle at 80% 80%, rgba(255, 220, 80, 0.45), transparent 55%);
    pointer-events: none;
    z-index: 1;
}

.hero-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 32px;
    align-items: center;
}

.hero-text h1 {
    font-size: clamp(26px, 3vw, 34px);
    margin-bottom: 12px;
}

.hero-text h1 span {
    color: var(--yellow-dark);
}

.hero-text p {
    font-size: 15px;
    color: var(--text-muted);
    max-width: 480px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
    margin-bottom: 14px;
}

.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.hero-tags span {
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(255, 200, 0, 0.2);
}

/* داشبورد */
.hero-dashboard {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
}

.dashboard-card {
    background: #ffffff;
    border-radius: var(--radius-lg);
    padding: 18px 16px;
    box-shadow: var(--shadow-soft);
    width: 100%;
    max-width: 260px;
}

.dashboard-card h3 {
    margin: 0 0 4px;
    font-size: 16px;
}

.dashboard-card p {
    margin: 0 0 12px;
    font-size: 13px;
    color: var(--text-muted);
}

.metrics {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 13px;
}

.metrics .label {
    color: var(--text-muted);
    display: block;
}

.metrics .value {
    font-weight: 700;
}

/* موصل الطاقة */
.dashboard-connector {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.pulse-dot {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: var(--yellow-main);
    box-shadow: 0 0 0 0 rgba(255, 200, 0, 0.4);
    animation: pulse 1.8s infinite;
}

.connector-line {
    width: 3px;
    height: 80px;
    border-radius: 999px;
    background: linear-gradient(to bottom, var(--yellow-main), transparent);
}

@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(255, 200, 0, 0.4);
    }
    70% {
        transform: scale(1.4);
        box-shadow: 0 0 0 10px rgba(255, 200, 0, 0);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(255, 200, 0, 0);
    }
}

/* أقسام الشركة */
.energy-sections {
    padding: 60px 0 50px;
    background: #fff;
}

.toggle-wrapper {
    display: inline-flex;
    padding: 4px;
    border-radius: 999px;
    background: var(--yellow-soft);
    margin-bottom: 24px;
}

.toggle-btn {
    border: none;
    background: transparent;
    padding: 8px 18px;
    border-radius: 999px;
    font-size: 14px;
    cursor: pointer;
    color: var(--text-muted);
    transition: background 0.15s, color 0.15s;
}

.toggle-btn.active {
    background: #ffffff;
    color: var(--text-main);
    box-shadow: var(--shadow-soft);
}

.energy-panels {
    position: relative;
}

.energy-panel {
    display: none;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 26px;
    align-items: flex-start;
}

.energy-panel.active {
    display: grid;
}

.panel-text h2 {
    margin-top: 0;
    margin-bottom: 10px;
}

.panel-text p {
    margin: 0 0 10px;
    color: var(--text-muted);
}

.panel-text ul {
    margin: 0;
    padding-right: 18px;
    font-size: 14px;
    color: var(--text-main);
}

.panel-text li {
    margin-bottom: 4px;
}

.panel-card-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
}

.mini-card {
    background: var(--yellow-soft);
    border-radius: var(--radius-md);
    padding: 12px 14px;
    font-size: 13px;
}

/* حاسبة الصيانة */
.energy-simulator {
    padding: 60px 0;
    background: linear-gradient(135deg, var(--yellow-soft), #ffffff);
}

.section-header h2 {
    margin: 0 0 6px;
}

.section-header p {
    margin: 0 0 26px;
    color: var(--text-muted);
    font-size: 14px;
}

.simulator-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 24px;
}

.sim-form,
.sim-result {
    background: #ffffff;
    border-radius: var(--radius-lg);
    padding: 18px 16px;
    box-shadow: var(--shadow-soft);
}

.sim-form h3 {
    margin-top: 0;
    font-size: 15px;
    margin-bottom: 6px;
}

.sim-form label {
    display: block;
    font-size: 13px;
    margin-bottom: 8px;
}

.sim-form input,
.sim-form select {
    width: 100%;
    margin-top: 4px;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(0, 0, 0, 0.08);
    font-family: inherit;
    font-size: 13px;
}

.sim-result h3 {
    margin-top: 0;
    font-size: 16px;
    margin-bottom: 10px;
}

.result-row {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    margin-bottom: 6px;
}

.result-row.total {
    padding-top: 6px;
    border-top: 1px dashed rgba(0, 0, 0, 0.08);
    font-weight: 700;
}

.result-row.saving {
    margin-top: 6px;
    color: var(--yellow-dark);
}

.recommendation {
    margin-top: 10px;
    font-size: 13px;
    color: var(--text-muted);
}

/* قسم الكاميرا */
.ar-camera {
    padding: 60px 0;
    background: #ffffff;
}

.ar-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 24px;
    align-items: flex-start;
}

.camera-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 10px;
    margin-bottom: 6px;
}

.camera-message {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

.ar-card {
    position: relative;
    background: #000;
    border-radius: var(--radius-lg);
    padding: 6px;
    box-shadow: var(--shadow-soft);
    overflow: hidden;
}

#camera-video {
    width: 100%;
    height: auto;
    border-radius: calc(var(--radius-lg) - 4px);
    background: #000;
    object-fit: cover;
    min-height: 220px;
}

.ar-overlay {
    position: absolute;
    bottom: 12px;
    left: 12px;
    right: 12px;
    padding: 6px 10px;
    background: rgba(255, 200, 0, 0.9);
    color: #000;
    font-size: 13px;
    border-radius: 999px;
    text-align: center;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.3);
}

/* معاينة الصورة */
.snapshot-container {
    margin-top: 30px;
    padding: 18px 16px;
    background: var(--yellow-soft);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
}

.snapshot-container h3 {
    margin-top: 0;
    margin-bottom: 8px;
}

.snapshot-note {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 10px;
}

#snapshot-img {
    max-width: 100%;
    border-radius: var(--radius-md);
    border: 1px solid rgba(0, 0, 0, 0.08);
}

/* باقات الصيانة */
.charging-configurator {
    padding: 60px 0;
    background: linear-gradient(135deg, #ffffff, var(--yellow-soft));
}

.config-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 24px;
}

.config-options,
.config-summary {
    background: #ffffff;
    border-radius: var(--radius-lg);
    padding: 18px 16px;
    box-shadow: var(--shadow-soft);
}

.config-options h3,
.config-summary h3 {
    margin-top: 0;
    font-size: 16px;
    margin-bottom: 8px;
}

.option-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}

.option-btn {
    border-radius: 999px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    background: #ffffff;
    padding: 8px 12px;
    font-size: 13px;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s, transform 0.1s;
}

.option-btn.active {
    background: var(--yellow-soft);
    border-color: var(--yellow-main);
    transform: translateY(-1px);
}

.checkbox-row {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    margin-bottom: 6px;
}

.checkbox-row input {
    accent-color: var(--yellow-main);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    margin-bottom: 6px;
}

.summary-row.total {
    padding-top: 6px;
    border-top: 1px dashed rgba(0, 0, 0, 0.08);
    font-weight: 700;
}

.config-summary .note {
    font-size: 12px;
    color: var(--text-muted);
    margin: 10px 0 14px;
}

/* قصص العملاء */
.stories {
    padding: 50px 0;
    background: #ffffff;
}

.story-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.story-card {
    background: var(--yellow-soft);
    border-radius: var(--radius-lg);
    padding: 16px 14px;
    box-shadow: var(--shadow-soft);
    font-size: 14px;
}

.story-card h3 {
    margin-top: 0;
    margin-bottom: 6px;
}

.story-card p {
    margin: 0 0 10px;
    font-size: 13px;
}

.story-tag {
    font-size: 12px;
    background: #ffffff;
    border-radius: 999px;
    padding: 4px 10px;
}

/* مركز المعرفة */
.knowledge {
    padding: 50px 0 60px;
    background: linear-gradient(135deg, var(--yellow-soft), #ffffff);
}

.knowledge-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.knowledge-card {
    background: #ffffff;
    border-radius: var(--radius-lg);
    padding: 14px 14px 16px;
    box-shadow: var(--shadow-soft);
    font-size: 14px;
}

.knowledge-card h3 {
    margin-top: 0;
    margin-bottom: 6px;
    font-size: 15px;
}

.knowledge-card p {
    margin: 0 0 10px;
    font-size: 13px;
    color: var(--text-muted);
}

.knowledge-tag {
    font-size: 12px;
    background: var(--yellow-soft);
    border-radius: 999px;
    padding: 4px 10px;
}

/* تواصل معنا */
.contact {
    padding: 50px 0 60px;
    background: #ffffff;
}

.contact-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 24px;
    align-items: flex-start;
}

.contact-list {
    list-style: none;
    padding: 0;
    margin: 14px 0 0;
    font-size: 14px;
}

.contact-list li {
    margin-bottom: 4px;
}

.contact-form label {
    display: block;
    font-size: 13px;
    margin-bottom: 8px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    margin-top: 4px;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(0, 0, 0, 0.08);
    font-family: inherit;
    font-size: 13px;
}

/* الفوتر */
.footer {
    padding: 14px 0;
    background: var(--yellow-main);
    color: #000;
    font-size: 13px;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 6px;
}

/* موبايل */
@media (max-width: 900px) {
    .nav-links {
        display: none;
    }

    .hero-grid,
    .simulator-grid,
    .ar-grid,
    .config-grid,
    .contact-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .hero {
        padding-top: 90px;
    }

    .hero-dashboard {
        margin-top: 10px;
    }

    .hero-video {
        height: 40vh; /* شوي أقل على الموبايل */
    }
}

@media (max-width: 768px) {
    .story-grid,
    .knowledge-grid {
        grid-template-columns: minmax(0, 1fr);
    }
}

/* شاشة البداية (الشحن) */
.charge-overlay {
    position: fixed;
    inset: 0;
    background: radial-gradient(circle at top, #fff7cf, #ffe36b, #ffc800);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.4s ease, visibility 0.4s.ease;
}

.charge-overlay.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.charge-modal {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 28px;
    padding: 22px 26px 20px;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.18);
    text-align: center;
    max-width: 320px;
    width: 90%;
    animation: introPop 0.45s ease-out;
}

.charge-title {
    font-weight: 700;
    font-size: 18px;
    margin-bottom: 10px;
    color: #222;
}

.charge-ring {
    position: relative;
    width: 140px;
    height: 140px;
    margin: 0 auto 12px;
    border-radius: 50%;
    border: 4px solid rgba(0, 0, 0, 0.08);
    background: radial-gradient(circle at 30% 20%, #ffffff, #fff4b9);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12),
        inset 0 0 8px rgba(255, 200, 0, 0.4);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.charge-ring:active {
    transform: scale(0.97);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2),
        inset 0 0 8px rgba(255, 200, 0, 0.6);
}

.charge-bolt {
    font-size: 40px;
    color: #f5b400;
    text-shadow: 0 0 10px rgba(255, 200, 0, 0.9);
}

.charge-dot {
    position: absolute;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.7);
    border: 2px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.18);
    transform-origin: center center;
    transform: translate(-50%, -50%) rotate(0deg) translate(0, -78px);
    opacity: 0.6;
}

/* توزيع النقاط */
.charge-dot.dot-1 {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(0deg) translate(0, -78px);
}
.charge-dot.dot-2 {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(60deg) translate(0, -78px);
}
.charge-dot.dot-3 {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(120deg) translate(0, -78px);
}
.charge-dot.dot-4 {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(180deg) translate(0, -78px);
}
.charge-dot.dot-5 {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(240deg) translate(0, -78px);
}
.charge-dot.dot-6 {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(300deg) translate(0, -78px);
}

.charge-dot.active {
    background: #ffc800;
    border-color: #e0ae00;
    opacity: 1;
    box-shadow: 0 0 10px rgba(255, 200, 0, 0.9), 0 0 18px rgba(255, 200, 0, 0.6);
    transform: scale(1.05) translate(-50%, -50%);
}

.charge-dot.dot-1.active {
    transform: translate(-50%, -50%) rotate(0deg) translate(0, -78px) scale(1.05);
}
.charge-dot.dot-2.active {
    transform: translate(-50%, -50%) rotate(60deg) translate(0, -78px) scale(1.05);
}
.charge-dot.dot-3.active {
    transform: translate(-50%, -50%) rotate(120deg) translate(0, -78px) scale(1.05);
}
.charge-dot.dot-4.active {
    transform: translate(-50%, -50%) rotate(180deg) translate(0, -78px) scale(1.05);
}
.charge-dot.dot-5.active {
    transform: translate(-50%, -50%) rotate(240deg) translate(0, -78px) scale(1.05);
}
.charge-dot.dot-6.active {
    transform: translate(-50%, -50%) rotate(300deg) translate(0, -78px) scale(1.05);
}

.charge-status {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
}

@keyframes introPop {
    0% {
        transform: scale(0.8) translateY(12px);
        opacity: 0;
    }
    100% {
        transform: scale(1) translateY(0);
        opacity: 1;
    }
}

/* موبايل شاشة الشحن */
@media (max-width: 600px) {
    .charge-modal {
        padding: 18px 18px 16px;
    }

    .charge-ring {
        width: 120px;
        height: 120px;
    }

    .charge-dot.dot-1,
    .charge-dot.dot-2,
    .charge-dot.dot-3,
    .charge-dot.dot-4,
    .charge-dot.dot-5,
    .charge-dot.dot-6 {
        transform: translate(-50%, -50%) rotate(0deg) translate(0, -68px);
    }
    .charge-dot.dot-2 {
        transform: translate(-50%, -50%) rotate(60deg) translate(0, -68px);
    }
    .charge-dot.dot-3 {
        transform: translate(-50%, -50%) rotate(120deg) translate(0, -68px);
    }
    .charge-dot.dot-4 {
        transform: translate(-50%, -50%) rotate(180deg) translate(0, -68px);
    }
    .charge-dot.dot-5 {
        transform: translate(-50%, -50%) rotate(240deg) translate(0, -68px);
    }
    .charge-dot.dot-6 {
        transform: translate(-50%, -50%) rotate(300deg) translate(0, -68px);
    }
}