/* ================================
   CSS Reset & Base Styles
   ================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: #1a1a1a;
    background-color: #ffffff;
}

/* ================================
   Typography
   ================================ */

h1,
h2,
h3 {
    font-weight: 600;
    line-height: 1.2;
    color: #0a0a0a;
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    letter-spacing: -0.01em;
    margin-bottom: 1.5rem;
}

h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

p {
    color: #4a4a4a;
    margin-bottom: 1rem;
}

/* ================================
   Layout
   ================================ */

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 5rem 0;
}

.section-cta {
    margin-top: 3rem;
    text-align: center;
}

/* ================================
   Navigation
   ================================ */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    z-index: 1000;
    padding: 1.1rem 0;
}

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

.logo {
    font-size: 1.35rem;
    font-weight: 700;
    color: #0a0a0a;
    text-decoration: none;
    letter-spacing: -0.02em;
}

.nav-cta {
    font-size: 0.9rem;
    font-weight: 600;
    color: #ffffff;
    text-decoration: none;
    padding: 0.65rem 1.25rem;
    background: #1a5f4a;
    border: none;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.nav-cta:hover {
    background: #14473a;
    transform: translateY(-1px);
}

/* ================================
   Buttons
   ================================ */

.btn {
    display: inline-block;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    padding: 1rem 2.25rem;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    transition: all 0.25s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #1a5f4a 0%, #2a7a62 100%);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(26, 95, 74, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 95, 74, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, #1a5f4a 0%, #2a7a62 100%);
    color: #ffffff;
    width: 100%;
    box-shadow: 0 4px 15px rgba(26, 95, 74, 0.3);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 95, 74, 0.4);
}

/* ================================
   Hero Section
   ================================ */

.hero {
    padding: 12rem 0 8rem;
    background: linear-gradient(135deg, #0f2027 0%, #203a43 50%, #2c5364 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 1;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero h1 {
    margin-bottom: 1.5rem;
    color: #ffffff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-sub {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.85);
    max-width: 650px;
    margin: 0 auto 2.5rem;
}

.hero .btn-primary {
    background: #ffffff;
    color: #0f2027;
    font-weight: 600;
    padding: 1.1rem 2.5rem;
    font-size: 1.05rem;
}

.hero .btn-primary:hover {
    background: #f0f0f0;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

/* ================================
   Problem Section
   ================================ */

.problem {
    background: #ffffff;
}

.problem .container {
    max-width: 800px;
}

.problem h2 {
    text-align: center;
    margin-bottom: 2.5rem;
}

.problem-content {
    max-width: 700px;
    margin: 0 auto;
}

.problem-content p {
    font-size: 1.15rem;
    margin-bottom: 1.25rem;
    text-align: center;
}

.problem-content .highlight {
    font-size: 1.2rem;
    color: #1a5f4a;
    font-weight: 500;
    padding: 2rem;
    background: linear-gradient(135deg, #f0f7f4 0%, #e8f5f0 100%);
    border-left: 4px solid #1a5f4a;
    border-radius: 0 12px 12px 0;
    margin: 2.5rem 0;
    text-align: left;
}

.problem-content .emphasis {
    font-size: 1.3rem;
    font-weight: 600;
    color: #0a0a0a;
    margin-top: 2rem;
}

/* ================================
   How It Works Section
   ================================ */

.how-it-works {
    background: #f8f9fa;
}

.how-it-works h2 {
    text-align: center;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3.5rem;
}

.step {
    background: #ffffff;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.step:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #1a5f4a 0%, #2a7a62 100%);
    color: #ffffff;
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: 50%;
    margin-bottom: 1.5rem;
}

.step h3 {
    color: #0a0a0a;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.step p {
    font-size: 1.05rem;
    margin-bottom: 0;
    color: #555;
}

/* ================================
   Who This Is For Section
   ================================ */

.who-for {
    background: #ffffff;
}

.who-for h2 {
    text-align: center;
}

.who-for-content {
    display: grid;
    gap: 1rem;
    margin: 3rem auto;
    max-width: 700px;
}

.who-for-item {
    font-size: 1.1rem;
    color: #333;
    padding: 1.25rem 1.5rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #f0f2f5 100%);
    border-radius: 10px;
    position: relative;
    padding-left: 3.5rem;
    transition: transform 0.2s ease;
}

.who-for-item:hover {
    transform: translateX(5px);
}

.who-for-item::before {
    content: "✓";
    position: absolute;
    left: 1.25rem;
    color: #1a5f4a;
    font-weight: 700;
    font-size: 1.2rem;
}

.who-for-closing {
    font-size: 1.35rem;
    font-weight: 600;
    color: #0a0a0a;
    margin-top: 2.5rem;
    text-align: center;
}

/* ================================
   Why Us Section
   ================================ */

.why-us {
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 100%);
    color: #ffffff;
}

.why-us h2 {
    color: #ffffff;
    text-align: center;
}

.why-us-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.why-us-content p {
    font-size: 1.15rem;
    color: #b5b5b5;
}

.why-us-content .emphasis {
    font-size: 1.3rem;
    font-weight: 600;
    color: #ffffff;
    margin-top: 2.5rem;
}

/* ================================
   Pricing Section
   ================================ */

.pricing {
    background: #f8f9fa;
}

.pricing h2 {
    text-align: center;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3.5rem;
}

.pricing-card {
    background: #ffffff;
    padding: 3rem 2.5rem;
    border-radius: 16px;
    border: 1px solid #eaeaea;
    transition: all 0.3s ease;
    text-align: center;
}

.pricing-card:hover {
    border-color: #ccc;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

.pricing-card.featured {
    border: 2px solid #1a5f4a;
    position: relative;
    background: linear-gradient(180deg, #ffffff 0%, #f8fdfb 100%);
}

.pricing-card.featured::before {
    content: 'Most Popular';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: #1a5f4a;
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-card h3 {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #888;
    margin-bottom: 1rem;
}

.pricing-card .price {
    font-size: 3rem;
    font-weight: 700;
    color: #0a0a0a;
    margin-bottom: 1.5rem;
}

.pricing-card p {
    font-size: 1.05rem;
    margin-bottom: 0;
    color: #555;
}

/* ================================
   Book Section
   ================================ */

.book {
    background: linear-gradient(135deg, #1a5f4a 0%, #2a7a62 100%);
    text-align: center;
}

.book h2 {
    color: #ffffff;
}

.book-sub {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 2.5rem;
}

.calendly-placeholder {
    background: rgba(255, 255, 255, 0.1);
    border: 2px dashed rgba(255, 255, 255, 0.3);
    border-radius: 16px;
    padding: 4rem 2rem;
    max-width: 600px;
    margin: 0 auto;
}

.calendly-placeholder p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.5rem;
}

.calendly-placeholder .placeholder-note {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

/* ================================
   Free Checkup Section
   ================================ */

.free-checkup {
    background: linear-gradient(135deg, #f0f7f4 0%, #e5f2ed 100%);
}

.free-checkup h2 {
    text-align: center;
}

.free-checkup .container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.checkup-sub {
    font-size: 1.15rem;
    color: #555;
    max-width: 600px;
    text-align: center;
}

.checkup-promise {
    font-weight: 600;
    color: #1a5f4a;
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

.checkup-form {
    width: 100%;
    max-width: 500px;
    background: #ffffff;
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: #333;
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    font-family: inherit;
    border: 1px solid #ddd;
    border-radius: 8px;
    background: #fff;
    transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #1a5f4a;
}

.form-group textarea {
    resize: vertical;
}

/* ================================
   Footer
   ================================ */

.footer {
    background: #0a0a0a;
    color: #ffffff;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-brand .logo {
    color: #ffffff;
    font-size: 1.5rem;
    display: block;
    margin-bottom: 0.75rem;
}

.footer-brand p {
    color: #888;
    font-size: 0.9rem;
    margin-bottom: 0;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: #888;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid #222;
}

.footer-bottom p {
    color: #666;
    font-size: 0.85rem;
    margin-bottom: 0;
}

/* ================================
   Responsive Design
   ================================ */

@media (max-width: 768px) {
    .section {
        padding: 4rem 0;
    }

    .hero {
        padding: 8rem 0 4rem;
    }

    .hero-sub {
        font-size: 1.1rem;
    }

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

    .pricing-cards {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
    }

    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }

    .checkup-form {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .nav-cta {
        font-size: 0.75rem;
        padding: 0.4rem 0.75rem;
    }

    .btn {
        padding: 0.875rem 1.5rem;
    }

    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.5rem;
    }
}