/* ---
   Variables & Base Styles
   --- */
:root {
    --bg-main: #F8FAFC;
    --blue-smart: #2563EB;
    --turquoise-vivid: #06B6D4;
    --yellow-inspiration: #FACC15;
    --text-dark: #1E293B;
    --text-light: #475569;
    --white: #FFFFFF;
    --border-light: #E2E8F0;
    --footer-bg: #E0F2FE;

    --font-heading: 'Rubik', sans-serif;
    --font-body: 'Heebo', sans-serif;

    --header-height: 80px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-main);
    color: var(--text-dark);
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-dark);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.25rem; }
p { margin-bottom: 1rem; color: var(--text-light); }
a { color: var(--blue-smart); text-decoration: none; transition: color 0.3s ease; }
a:hover { color: var(--turquoise-vivid); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

/* ---
   Utility & Layout
   --- */
.container {
    width: 100%;
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 15px;
}

.section-padding {
    padding: 60px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
}
.section-header h2 {
    margin-bottom: 0.5rem;
}
.section-header p {
    font-size: 1.1rem;
    color: var(--text-light);
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 700;
    font-family: var(--font-heading);
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}
.btn-primary {
    background-color: var(--blue-smart);
    color: var(--white);
}
.btn-primary:hover {
    background-color: #1D4ED8; /* Darker blue */
    color: var(--white);
    transform: translateY(-2px);
}
.btn-secondary {
    background-color: transparent;
    color: var(--blue-smart);
    border-color: var(--blue-smart);
}
.btn-secondary:hover {
    background-color: var(--blue-smart);
    color: var(--white);
    transform: translateY(-2px);
}
.btn-accent {
    background-color: var(--turquoise-vivid);
    color: var(--white);
}
.btn-accent:hover {
    background-color: #0891B2; /* Darker turquoise */
    color: var(--white);
    transform: translateY(-2px);
}
.btn-light {
    background-color: var(--white);
    color: var(--turquoise-vivid);
}
.btn-light:hover {
    background-color: var(--bg-main);
    color: var(--turquoise-vivid);
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--blue-smart);
    color: white;
    padding: 8px 16px;
    z-index: 10000;
    transition: top 0.3s;
}
.skip-link:focus {
    top: 10px;
}

/* ---
   Header
   --- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}
.site-header.scrolled {
    background-color: var(--white);
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
}
.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}
.logo {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--blue-smart);
}
.logo:hover { color: var(--blue-smart); }

.main-nav {
    display: none; /* Hidden on mobile */
}
.main-nav ul {
    display: flex;
    gap: 30px;
}
.main-nav a {
    font-weight: 500;
    color: var(--text-dark);
    padding: 5px 0;
    position: relative;
}
.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 0;
    height: 2px;
    background-color: var(--blue-smart);
    transition: width 0.3s ease;
}
.main-nav a:hover::after, .main-nav a.active::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}
.header-actions .btn {
    display: none; /* Hidden on mobile */
}

.mobile-menu-toggle {
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 5px;
}
.mobile-menu-toggle .bar {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    border-radius: 3px;
    transition: all 0.3s ease;
}
.mobile-menu-toggle.open .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}
.mobile-menu-toggle.open .bar:nth-child(2) {
    opacity: 0;
}
.mobile-menu-toggle.open .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Menu Styles */
.main-nav.mobile-open {
    display: block;
    position: absolute;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background-color: var(--white);
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    padding: 20px 0;
    animation: slideDown 0.3s ease-out;
}
.main-nav.mobile-open ul {
    flex-direction: column;
    align-items: center;
    gap: 15px;
}
.main-nav.mobile-open a {
    font-size: 1.2rem;
}

@keyframes slideDown {
    from { transform: translateY(-20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* ---
   Hero Section
   --- */
.hero-section {
    background: url('../img/hero-bg.webp') no-repeat center center/cover;
    background-color: var(--bg-main);
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    text-align: center;
    position: relative;
}
.hero-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(248, 250, 252, 0.7); /* Light overlay */
}
.hero-content {
    position: relative;
    z-index: 2;
}
.hero-title {
    font-size: 2.8rem;
    margin-bottom: 1rem;
}
.hero-subtitle {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 2rem;
}
.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

/* ---
   Demo Notice Sections
   --- */
.demo-notice {
    padding: 20px 0;
    text-align: center;
}
.demo-notice-top {
    background-color: var(--yellow-inspiration);
    color: var(--text-dark);
}
.demo-notice-top p {
    margin: 0;
    font-weight: 500;
    color: var(--text-dark);
}
.demo-notice-top a {
    font-weight: 700;
    text-decoration: underline;
    color: var(--text-dark);
}
.demo-notice-bottom {
    background-color: var(--turquoise-vivid);
    color: var(--white);
    padding: 60px 0;
}
.demo-notice-bottom h2 {
    color: var(--white);
    margin-bottom: 1rem;
}
.demo notice-bottom p {
    color: var(--white);
    opacity: 0.9;
    margin-bottom: 2rem;
}

/* ---
   Services Section
   --- */
.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}
.service-card {
    background-color: var(--white);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--border-light);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(30, 41, 59, 0.07);
}
.service-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 20px;
    color: var(--white);
}
.service-icon.icon-math { background-color: var(--blue-smart); }
.service-icon.icon-english { background-color: var(--turquoise-vivid); }
.service-icon.icon-online { background-color: var(--yellow-inspiration); color: var(--text-dark); }
.service-icon.icon-bagrut { background-color: #EF4444; } /* Red */
.service-icon.icon-kids { background-color: #F97316; } /* Orange */
.service-icon.icon-enrich { background-color: #8B5CF6; } /* Violet */

.service-card h3 {
    margin-bottom: 10px;
}

/* ---
   About Section
   --- */
.about-section { background-color: var(--white); }
.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    align-items: center;
}
.about-image img {
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(30, 41, 59, 0.1);
}
.about-content .section-header {
    text-align: right;
    margin-bottom: 20px;
}

/* ---
   Why Us Section
   --- */
.why-us-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}
.why-us-item {
    background-color: var(--white);
    padding: 25px;
    border-radius: 12px;
    border: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}
.why-us-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
    color: var(--blue-smart);
    background-color: #E0F2FE; /* Light blue background */
    border-radius: 50%;
}
.why-us-item h3 {
    margin-bottom: 10px;
}

/* ---
   Team Section
   --- */
.team-section { background-color: var(--white); }
.team-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}
.team-card {
    background-color: var(--bg-main);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 25px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.team-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(30, 41, 59, 0.07);
}
.team-img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 20px;
    border: 4px solid var(--white);
    box-shadow: 0 4px 10px rgba(30, 41, 59, 0.1);
}
.team-name {
    margin-bottom: 5px;
}
.team-role {
    color: var(--blue-smart);
    font-weight: 500;
    margin-bottom: 15px;
}
.team-bio {
    font-size: 0.9rem;
    font-style: italic;
    margin-bottom: 0;
}

/* ---
   Method Section
   --- */
.method-section { background-color: var(--bg-main); }
.method-steps {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}
/* Timeline line */
.method-steps::before {
    content: '';
    position: absolute;
    top: 20px;
    bottom: 20px;
    right: 24px; /* (50px icon width / 2) - (2px line width / 2) */
    width: 2px;
    background-color: var(--border-light);
    z-index: 1;
}
.method-step {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
    position: relative;
    z-index: 2;
}
.method-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--blue-smart);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    border: 3px solid var(--bg-main);
}
.method-step:nth-child(2) .method-icon {
    background-color: var(--turquoise-vivid);
}
.method-step:nth-child(3) .method-icon {
    background-color: var(--yellow-inspiration);
    color: var(--text-dark);
}
.method-content h3 { margin-bottom: 5px; }
.method-content p { margin-bottom: 0; }

/* ---
   Testimonials Section
   --- */
.testimonials-section { background-color: var(--white); }
.testimonial-card {
    background-color: var(--bg-main);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--border-light);
    margin: 10px; /* For shadow visibility */
}
.testimonial-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.testimonial-header::before {
    content: attr(data-initial);
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--blue-smart);
    color: var(--white);
    border-radius: 50%;
    font-family: var(--font-heading);
    font-size: 1.5rem;
}
.testimonial-header h4 { margin: 0; }
.testimonial-header p { margin: 0; font-size: 0.9rem; }
.testimonial-rating {
    color: var(--yellow-inspiration);
    font-size: 1.2rem;
    margin-bottom: 10px;
}
.swiper-pagination-bullet-active {
    background-color: var(--blue-smart);
}

/* ---
   FAQ Section
   --- */
.faq-accordion {
    max-width: 700px;
    margin: 0 auto;
}
.faq-item {
    background-color: var(--white);
    border-radius: 8px;
    border: 1px solid var(--border-light);
    margin-bottom: 10px;
    overflow: hidden;
}
.faq-question {
    width: 100%;
    background: none;
    border: none;
    text-align: right;
    padding: 20px;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--blue-smart);
    transition: transform 0.3s ease;
}
.faq-question[aria-expanded="true"]::after {
    content: '−';
    transform: rotate(180deg);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out, padding 0.4s ease-out;
}
.faq-answer p {
    padding: 0 20px 20px;
    margin: 0;
}

/* ---
   Contact Section
   --- */
.contact-section { background-color: var(--white); }
.contact-form {
    max-width: 700px;
    margin: 0 auto;
    background-color: var(--bg-main);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--border-light);
}
.form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}
.form-group {
    display: flex;
    flex-direction: column;
}
.form-group label {
    margin-bottom: 5px;
    font-weight: 500;
}
.form-group input, .form-group textarea, .form-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color 0.3s, box-shadow 0.3s;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
    outline: none;
    border-color: var(--blue-smart);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}
.contact-form button[type="submit"] {
    width: 100%;
    margin-top: 20px;
}
.error-message {
    color: #EF4444;
    font-size: 0.875rem;
    display: none;
    margin-top: 5px;
}
.form-group.invalid input, .form-group.invalid textarea, .form-group.invalid select {
    border-color: #EF4444;
}
.form-group.invalid .error-message {
    display: block;
}
.form-success-message {
    text-align: center;
    margin-top: 20px;
    padding: 15px;
    background-color: #D1FAE5;
    color: #065F46;
    border-radius: 8px;
}

/* ---
   Footer
   --- */
.site-footer {
    background-color: var(--footer-bg);
    padding: 60px 0 20px;
    font-size: 0.9rem;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-bottom: 40px;
}
.footer-title {
    font-size: 1.1rem;
    margin-bottom: 15px;
}
.footer-links li, .footer-contact li {
    margin-bottom: 10px;
}
.footer-links a, .footer-contact a {
    color: var(--text-light);
}
.footer-links a:hover, .footer-contact a:hover {
    color: var(--blue-smart);
}
.social-icons {
    display: flex;
    gap: 15px;
}
.social-icons a {
    color: var(--text-dark);
    font-size: 1.5rem;
}
.footer-credit {
    margin-top: 20px;
}
.footer-credit a {
    font-weight: 500;
}
.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-light);
}

/* ---
   Media Queries (Desktop First)
   --- */

/* Tablet and Desktop */
@media (min-width: 768px) {
    h1 { font-size: 3.5rem; }
    h2 { font-size: 2.5rem; }
    .section-padding { padding: 80px 0; }

    .mobile-menu-toggle { display: none; }
    .main-nav { display: block; }
    .header-actions .btn { display: inline-block; }

    .hero-title { font-size: 3.8rem; }
    .hero-subtitle { font-size: 1.3rem; }

    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .about-grid { grid-template-columns: 1fr 1fr; gap: 60px; }
    .why-us-grid { grid-template-columns: repeat(2, 1fr); }
    .form-grid { grid-template-columns: 1fr 1fr; }
    .team-grid { grid-template-columns: repeat(2, 1fr); }
    .form-group-full { grid-column: 1 / -1; }
    .contact-form button[type="submit"] { width: auto; }

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

/* Large Desktop */
@media (min-width: 992px) {
    .services-grid { grid-template-columns: repeat(3, 1fr); }
    .why-us-grid { grid-template-columns: repeat(4, 1fr); }
    .team-grid { grid-template-columns: repeat(3, 1fr); }
    .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
}

.services-grid .service-icon {
  width: 56px; height: 56px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: rgba(0,0,0,0.04);
  color: #0ea5e9; /* ברירת מחדל – אפשר לשנות פר-אייקון */
}

/* צבעים ייעודיים (אופציונלי) */
.icon-math     { color:#2563eb; }
.icon-english  { color:#16a34a; }
.icon-online   { color:#0891b2; }
.icon-bagrut   { color:#9333ea; }
.icon-kids     { color:#f59e0b; }
.icon-enrich   { color:#ea580c; }

.services-grid .service-icon svg { display:block; }
.why-us-grid .why-us-icon{
  width:56px;height:56px;
  display:grid;place-items:center;
  border-radius:12px;
  background:rgba(0,0,0,0.04);
  color:#0ea5e9; /* צבע ברירת מחדל */
}
.why-us-item:nth-child(1) .why-us-icon{ color:#2563eb; } /* התאמה אישית */
.why-us-item:nth-child(2) .why-us-icon{ color:#16a34a; } /* סבלנות */
.why-us-item:nth-child(3) .why-us-icon{ color:#9333ea; } /* חומרים עדכניים */
.why-us-item:nth-child(4) .why-us-icon{ color:#f59e0b; } /* שיטות חכמות */

.why-us-grid .why-us-icon svg{ display:block; }