/**
 * Yeni İngilizce Kulübü - Inspired by englishtestlab.com
 * Clean, Bold, Brutalist Design
 */

/* ========== CSS Reset & Base ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background-color: #ffffff;
}

/* ========== Typography ========== */
h1 {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: #1a1a1a;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    color: #1a1a1a;
    margin-bottom: 1.5rem;
}

h3 {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.3;
    color: #1a1a1a;
    margin-bottom: 1rem;
}

p {
    font-size: 1.125rem;
    line-height: 1.7;
    color: #4a4a4a;
    margin-bottom: 1.5rem;
}

/* ========== Layout ========== */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 80px 0;
}

/* ========== Header ========== */
header {
    background: #fff;
    border-bottom: 1px solid #e0e0e0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: #1a1a1a;
}

.nav-menu {
    display: flex;
    gap: 2.5rem;
    list-style: none;
    align-items: center;
}

.nav-link {
    color: #4a4a4a;
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: color 0.3s;
}

.nav-link:hover {
    color: #6c5ce7;
}

.mobile-toggle {
    display: none;
}

/* ========== Hero Section ========== */
.hero {
    padding-top: 180px;
    padding-bottom: 100px;
    text-align: center;
    background: linear-gradient(180deg, #f8f9ff 0%, #ffffff 100%);
}

.hero h1 {
    font-size: 4rem;
    max-width: 900px;
    margin: 0 auto 2rem;
}

.hero p {
    font-size: 1.4rem;
    max-width: 700px;
    margin: 0 auto 3rem;
    color: #4a4a4a;
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ========== Buttons ========== */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
    font-weight: 700;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: #6c5ce7;
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(108, 92, 231, 0.3);
}

.btn-primary:hover {
    background-color: #5a4ddb;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(108, 92, 231, 0.4);
}

.btn-secondary {
    background-color: transparent;
    color: #6c5ce7;
    border: 2px solid #6c5ce7;
}

.btn-secondary:hover {
    background-color: #6c5ce7;
    color: #ffffff;
}

/* ========== Problem Section ========== */
.problem-section {
    background-color: #fafafa;
}

.problem-section h2 {
    text-align: center;
    margin-bottom: 1rem;
}

.problem-section .subtitle {
    text-align: center;
    font-size: 1.3rem;
    color: #6a6a6a;
    margin-bottom: 4rem;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    margin-top: 3rem;
}

.problem-card {
    background: #ffffff;
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid #e5e5e5;
    text-align: center;
    transition: all 0.3s;
}

.problem-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    border-color: #6c5ce7;
}

.problem-emoji {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: block;
}

.problem-card h3 {
    margin-bottom: 1rem;
}

.problem-card p {
    font-size: 1.05rem;
    color: #5a5a5a;
}

/* ========== Solution Section ========== */
.solution-section {
    text-align: center;
}

.solution-section h2 {
    margin-bottom: 1rem;
}

.solution-section .subtitle {
    font-size: 1.25rem;
    color: #6a6a6a;
    margin-bottom: 4rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin-top: 3rem;
    text-align: left;
}

.solution-item {
    padding: 2rem;
}

.solution-item h3 {
    font-size: 1.6rem;
    margin-bottom: 1rem;
}

.solution-item p {
    font-size: 1.1rem;
    line-height: 1.8;
}

/* ========== Testimonials ========== */
.testimonials {
    background-color: #f8f9ff;
}

.testimonials h2 {
    text-align: center;
    margin-bottom: 1rem;
}

.testimonials .subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: #6a6a6a;
    margin-bottom: 4rem;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

.testimonial-card {
    background: #ffffff;
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid #e5e5e5;
}

.testimonial-stars {
    color: #ffd700;
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.testimonial-text {
    font-size: 1.05rem;
    line-height: 1.7;
    color: #3a3a3a;
    margin-bottom: 1.5rem;
}

.testimonial-author {
    font-weight: 700;
    color: #1a1a1a;
    font-size: 1rem;
}

/* ========== Pricing ========== */
.pricing {
    background-color: #ffffff;
}

.pricing h2 {
    text-align: center;
    margin-bottom: 1rem;
}

.pricing .subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: #6a6a6a;
    margin-bottom: 4rem;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-card {
    background: #ffffff;
    border: 2px solid #e5e5e5;
    border-radius: 16px;
    padding: 3rem 2rem;
    text-align: center;
    transition: all 0.3s;
    position: relative;
}

.pricing-card.featured {
    border-color: #6c5ce7;
    border-width: 3px;
    transform: scale(1.05);
    box-shadow: 0 15px 40px rgba(108, 92, 231, 0.15);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: #6c5ce7;
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.pricing-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.pricing-amount {
    font-size: 3rem;
    font-weight: 900;
    color: #6c5ce7;
    line-height: 1;
    margin: 1.5rem 0;
}

.pricing-period {
    font-size: 1.1rem;
    color: #7a7a7a;
    margin-bottom: 2rem;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin: 2rem 0;
    padding: 0;
}

.pricing-features li {
    padding: 0.75rem 0;
    border-bottom: 1px solid #f0f0f0;
    font-size: 1.05rem;
    color: #4a4a4a;
}

.pricing-features li:before {
    content: "✓ ";
    color: #10b981;
    font-weight: 700;
    margin-right: 0.5rem;
}

.pricing-card .btn {
    width: 100%;
    margin-top: 1.5rem;
}

/* ========== FAQ ========== */
.faq {
    background-color: #fafafa;
}

.faq h2 {
    text-align: center;
    margin-bottom: 4rem;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.faq-item {
    background: #ffffff;
    padding: 2rem;
    border-radius: 10px;
    border: 1px solid #e5e5e5;
}

.faq-question {
    font-size: 1.2rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 1rem;
}

.faq-answer {
    font-size: 1.05rem;
    line-height: 1.7;
    color: #4a4a4a;
}

/* ========== CTA Section ========== */
.cta-section {
    background: linear-gradient(135deg, #6c5ce7 0%, #8b7cf5 100%);
    color: #ffffff;
    text-align: center;
    padding: 100px 0;
}

.cta-section h2 {
    color: #ffffff;
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
}

.cta-section .btn {
    background: #ffffff;
    color: #6c5ce7;
    font-size: 1.2rem;
    padding: 1.2rem 3rem;
}

.cta-section .btn:hover {
    background: #f0f0f0;
    transform: translateY(-3px);
}

/* ========== Footer ========== */
footer {
    background: #1a1a1a;
    color: #ffffff;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h4 {
    color: #ffffff;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section a {
    color: #b0b0b0;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: #ffffff;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #333;
    color: #888;
}

/* ========== Responsive ========== */
@media (max-width: 968px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .hero h1 {
        font-size: 2.8rem;
    }

    .problem-grid,
    .solution-grid,
    .testimonial-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .faq-grid {
        grid-template-columns: 1fr;
    }

    .pricing-card.featured {
        transform: none;
    }

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

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .mobile-toggle {
        display: block;
        background: none;
        border: none;
        font-size: 1.8rem;
        cursor: pointer;
    }

    .container {
        padding: 0 1.5rem;
    }

    section {
        padding: 60px 0;
    }

    .hero {
        padding-top: 140px;
        padding-bottom: 80px;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        width: 100%;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}