/* ======================================================
    style.css
    ClassMate - Landing Page (Enhanced Final Version - V2)
    ====================================================== */

/* -------------------- Root Variables -------------------- */
@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@400;600;700;800;900&display=swap');

:root {
    --brand-blue: #0a2a43;
    --brand-blue-dark: #081f36;
    --accent-yellow: #ffc107;
    --accent-light-blue: #f3f8ff;
    --bg: #f9fafc;
    --card-bg: #ffffff;
    --text-color: #343a40;
    --text-muted: #6f8598;
    --border-color: #e9ecef;
    --shadow-1: 0 6px 18px rgba(9, 27, 45, 0.06);
    --shadow-2: 0 12px 30px rgba(10, 42, 67, 0.12);
    --radius: 12px;
    --transition: 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
    --container-width: 1200px;
    --font-family: "Cairo", system-ui, sans-serif;
}

/* -------------------- Base -------------------- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
body {
    font-family: var(--font-family);
    background: var(--bg);
    color: var(--text-color);
    line-height: 1.7;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow-x: hidden;
}
.container {
    width: min(90%, var(--container-width));
    margin-inline: auto;
}
a {
    text-decoration: none;
    color: var(--brand-blue);
    transition: all var(--transition);
}
h1, h2, h3, h4 {
    color: var(--brand-blue-dark);
    font-weight: 800;
}

/* -------------------- Header -------------------- */
.main-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(10, 42, 67, 0.08);
}
.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 90px;
    width: min(90%, var(--container-width));
    margin-inline: auto;
}
.logo img {
    width: 150px;
    transition: transform var(--transition);
}
.logo:hover img {
    transform: scale(1.05);
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 15px;
}
.btn-outline, .btn-primary {
    padding: 10px 22px;
    border-radius: 9px;
    font-weight: 700;
    font-size: 1rem;
    white-space: nowrap;
    transition: all var(--transition);
}
.btn-outline {
    border: 2px solid var(--border-color);
    color: var(--brand-blue-dark);
}
.btn-outline:hover {
    background: var(--brand-blue-dark);
    color: #fff;
    border-color: var(--brand-blue-dark);
}
.btn-primary {
    background: var(--brand-blue);
    border: 2px solid var(--brand-blue);
    color: #fff;
    box-shadow: 0 5px 12px rgba(10, 42, 67, 0.2);
}
.btn-primary:hover {
    background: var(--brand-blue-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-2);
    border-color: var(--brand-blue-dark);
}

/* -------------------- Main Content -------------------- */
.main-content {
    flex-grow: 1;
}

/* -------------------- Hero Section -------------------- */
.hero-section {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    align-items: center;
    gap: 70px;
    background: linear-gradient(160deg, var(--accent-light-blue) 0%, var(--bg) 85%);
    padding: 80px calc((100% - min(90%, var(--container-width))) / 2);
    min-height: 70vh;
}
.hero-eyebrow {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--brand-blue-dark);
    margin-bottom: 20px;
    letter-spacing: 2px;
}
.hero-eyebrow strong {
    color: var(--accent-yellow);
    font-weight: 900;
}
.hero-text h1 {
    font-size: clamp(2.4rem, 5vw, 3.8rem);
    line-height: 1.3;
    margin-bottom: 25px;
}
.hero-text p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 550px;
}
.hero-buttons {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
}
.cta-btn {
    padding: 15px 35px;
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: 10px;
    background: var(--accent-yellow);
    color: var(--brand-blue-dark);
    box-shadow: 0 6px 18px rgba(255, 193, 7, 0.35);
    transition: all var(--transition);
}
.cta-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255, 193, 7, 0.45);
}
.cta-btn.secondary {
    background: transparent;
    border: 2px solid var(--border-color);
    color: var(--brand-blue-dark);
}
.cta-btn.secondary:hover {
    background: var(--brand-blue-dark);
    color: #fff;
    border-color: var(--brand-blue-dark);
}
.hero-visual img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius);
    box-shadow: var(--shadow-2);
    transform: rotateY(-6deg);
    transition: transform 0.6s ease;
}
.hero-visual img:hover {
    transform: rotateY(0deg) scale(1.03);
}

/* --- Features Section --- */
.features-section, .cards-section {
    text-align: center;
    padding: 100px 20px;
}
.features-section h2, .cards-section h2 {
    font-size: 3rem;
    margin-bottom: 60px;
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 50px;
    text-align: center;
    max-width: var(--container-width);
    margin: 0 auto;
}
.feature-item {
    padding: 25px;
    border-radius: var(--radius);
    background-color: var(--card-bg);
    box-shadow: var(--shadow-1);
    transition: transform var(--transition);
}
.feature-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2);
}
.feature-item i {
    font-size: 3.2rem;
    color: var(--brand-blue);
    background: var(--accent-light-blue);
    width: 90px;
    height: 90px;
    border-radius: 50%;
    display: inline-grid;
    place-items: center;
    margin-bottom: 25px;
    box-shadow: 0 4px 10px rgba(10, 42, 67, 0.1);
}
.feature-item h3 {
    font-size: 1.6rem;
    margin-bottom: 12px;
}
.feature-item p {
    color: var(--text-muted);
    max-width: 350px;
    margin: 0 auto;
}

/* --- Cards Section --- */
.cards-section {
    background-color: var(--bg);
    padding-bottom: 120px;
}
.cards-section h2 {
    color: var(--brand-blue-dark);
}
.cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 35px;
    text-align: right;
    max-width: var(--container-width);
    margin: 0 auto;
}
.card {
    background: var(--card-bg);
    padding: 35px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-1);
    border: 2px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-2);
    border-color: var(--accent-yellow);
}
.card i {
    font-size: 2.8rem;
    color: var(--accent-yellow);
    background: var(--brand-blue);
    width: 70px;
    height: 70px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    transition: transform var(--transition);
    margin-bottom: 20px;
}
.card:hover i {
    transform: scale(1.1) rotate(-10deg);
}
.card h3 {
    font-size: 1.7rem;
    margin-bottom: 18px;
}
.card p {
    color: var(--text-muted);
    margin-bottom: 30px;
    flex-grow: 1;
    font-size: 1.05rem;
}

/* === (!! تعديل الأزرار في الكروت !!) === */
.card-btn {
    padding: 12px 25px;
    border-radius: 9px;
    background: var(--accent-yellow);
    color: var(--brand-blue-dark);
    font-weight: 700;
    align-self: flex-start;
    box-shadow: 0 6px 18px rgba(255, 193, 7, 0.35);
    transition: all var(--transition);
}
.card-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 193, 7, 0.45);
}

/* -------------------- Footer -------------------- */
.site-footer {
    background: var(--brand-blue-dark);
    color: #e0e0e0;
    padding: 80px 0 30px;
    margin-top: auto;
}
.footer-container {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 50px;
    width: min(90%, var(--container-width));
    margin-inline: auto;
}
.footer-logo {
    width: 150px;
    height: auto;
    margin-bottom: 25px;
}
.footer-col p {
    color: #b0c4de;
    line-height: 1.9;
    max-width: 320px;
    font-size: 1.05rem;
}
.footer-col h4 {
    color: #fff;
    font-size: 1.4rem;
    margin-bottom: 28px;
    position: relative;
    padding-bottom: 12px;
}
.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 50px;
    height: 3px;
    background: var(--accent-yellow);
    border-radius: 3px;
}
.footer-col ul {
    list-style: none;
}
.footer-col li a {
    color: #b0c4de;
    display: inline-block;
    margin-bottom: 14px;
    font-weight: 500;
    font-size: 1.05rem;
    position: relative;
}
.footer-col li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 1px;
    bottom: 0;
    right: 0;
    background-color: var(--accent-yellow);
    transition: width var(--transition);
}
.footer-col li a:hover::after {
    width: 100%;
}
.footer-col li a:hover {
    color: #fff;
}
.social-links {
    display: flex;
    gap: 18px;
}
.social-links a {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    font-size: 1.2rem;
    transition: all var(--transition);
}
.social-links a:hover {
    background: var(--accent-yellow);
    color: var(--brand-blue);
    transform: translateY(-5px);
}
.footer-bottom {
    text-align: center;
    margin-top: 70px;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    color: #9ab3d0;
    font-size: 1rem;
}

/* ======================================================
    ============== MEDIA QUERIES (Responsive) ==============
    ====================================================== */

/* --- Tablets (Smaller than 992px) --- */
@media (max-width: 992px) {
    .hero-section {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 50px;
        padding: 60px 0;
    }
    .hero-text {
        order: 2;
    }
    .hero-visual {
        order: 1;
        transform: none;
        padding: 0 20px;
    }
    .hero-visual img {
        max-width: 70%; /* تصغير الصورة أكثر قليلاً على التابلت */
        margin: 0 auto;
        transform: none !important;
    }
    .hero-text p {
        margin-inline: auto;
    }
    .hero-buttons {
        justify-content: center;
    }
    .footer-container {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
        gap: 40px;
        padding: 0 20px;
    }
    .footer-col {
        text-align: center;
    }
    .footer-col h4::after {
        right: 50%;
        transform: translateX(50%);
    }
    .social-links {
        justify-content: center;
    }
}

/* --- Mobile (Smaller than 768px) --- */
@media (max-width: 768px) {
    .nav-container {
        height: 80px;
    }
    .logo img {
        width: 130px;
    }
    .nav-links {
        gap: 10px;
    }
    .btn-outline, .btn-primary {
        padding: 8px 14px;
        font-size: 0.9rem;
    }
    .hero-text h1 {
        font-size: 2.5rem;
    }
    .hero-text p {
        font-size: 1.1rem;
    }
    .features-section, .cards-section {
        padding: 70px 20px;
    }
    .features-section h2, .cards-section h2 {
        font-size: 2.2rem;
        margin-bottom: 40px;
    }
    .features-grid {
        gap: 30px;
    }
    .cards-container {
        grid-template-columns: 1fr;
    }
    .card {
        align-items: center;
        text-align: center;
        padding: 30px;
    }
    .card-btn, .card i {
        align-self: center;
    }
    .footer-container {
        text-align: center;
        grid-template-columns: 1fr;
    }
    .footer-logo, .footer-col p {
        margin-inline: auto;
    }
    .footer-col h4::after {
        right: 50%;
        transform: translateX(50%);
    }
    .social-links {
        justify-content: center;
    }
    /* تصغير أزرار المسارات (cta-btn) في وضع الهاتف */
    .cta-btn {
        padding: 12px 25px; /* أصغر قليلاً من الديسكتوب */
        font-size: 1rem; /* تصغير حجم الخط */
    }
}

/* --- Small Mobile (Smaller than 480px) --- */
@media (max-width: 480px) {
    .nav-container {
        flex-direction: column;
        height: auto;
        padding: 15px;
        gap: 15px;
    }
    .nav-links {
        flex-direction: column;
        width: 100%;
    }
    .btn-outline, .btn-primary {
        width: 100%;
        text-align: center;
    }
    .hero-section {
        padding: 40px 0;
    }
    .hero-text h1 {
        font-size: 2rem;
    }
    .hero-text p {
        font-size: 1rem;
    }
    .hero-buttons {
        flex-direction: column;
        gap: 10px;
    }
    /* تصغير أزرار المسارات (cta-btn) أكثر في وضع الجوال الصغير */
    .cta-btn {
        width: 100%;
        text-align: center;
        padding: 10px 20px; /* تصغير Padding */
        font-size: 0.9rem; /* تصغير حجم الخط أكثر */
    }
    .hero-visual img {
        max-width: 75%; /* تصغير الصورة أكثر على الجوالات الصغيرة */
    }
    .features-section h2, .cards-section h2 {
        font-size: 1.8rem;
    }
    .feature-item {
        padding: 20px;
    }
    .footer-col {
        padding: 0 15px;
    }
}