/* ============================================
   COACHING ACHIEVEMENT - MAIN STYLESHEET
   Visual Direction: Clean, Clinical, Precision
   ============================================ */

/* CSS Variables */
:root {
    /* Primary Palette - Navy & Neutrals */
    --color-navy-dark: #1e293b;
    --color-navy: #1a2b4a;
    --color-navy-light: #2d4a6f;
    --color-slate: #4a5c6a;
    --color-silver: #8a9bab;
    --color-cloud: #d1dce5;
    --color-ice: #f8fafc;
    --color-white: #ffffff;
    
    /* Primary Accent - Cyan/Teal (Trust, Clarity, Strategic) */
    --color-accent: #0891b2;
    --color-accent-light: #06b6d4;
    --color-accent-dark: #0e7490;
    
    /* Secondary Accent - Amber/Orange (Energy, Achievement, Action) */
    --color-amber: #f59e0b;
    --color-amber-light: #fbbf24;
    --color-amber-dark: #d97706;
    
    /* Typography */
    --font-display: 'Fraunces', Georgia, serif;
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --space-3xl: 10rem;
    
    /* Container */
    --container-max: 1200px;
    --container-narrow: 800px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 1.0625rem;
    line-height: 1.7;
    color: var(--color-navy-dark);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-navy-dark);
}

h1 { font-size: clamp(2.25rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }

p {
    margin-bottom: 1rem;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-navy);
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-ice);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--space-sm) var(--space-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
}

.logo-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-navy-dark);
    color: var(--color-white);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: -0.02em;
}

.logo-text {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--color-navy-dark);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    list-style: none;
}

.nav-links a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-navy);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.nav-links a:hover {
    color: var(--color-accent);
}

.nav-cta {
    padding: 0.625rem 1.25rem;
    background: var(--color-navy-dark);
    color: var(--color-white) !important;
    border-radius: 2px;
}

.nav-cta:hover {
    background: var(--color-navy);
    color: var(--color-white) !important;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-navy-dark);
    transition: var(--transition-fast);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    padding: calc(var(--space-3xl) + 60px) 0 var(--space-3xl);
    background: linear-gradient(180deg, var(--color-ice) 0%, var(--color-white) 100%);
    position: relative;
    overflow: hidden;
}

.hero-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.hero-eyebrow {
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.hero-headline {
    font-size: clamp(2rem, 4.5vw, 3rem);
    font-weight: 600;
    line-height: 1.15;
    margin-bottom: var(--space-md);
    color: var(--color-navy-dark);
}

.hero-subheadline {
    font-size: 1.1875rem;
    color: var(--color-slate);
    margin-bottom: var(--space-lg);
    max-width: 540px;
}

.hero-cta-group {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

/* Precision Grid Visual */
.hero-visual {
    position: relative;
    height: 400px;
}

.precision-grid {
    position: absolute;
    inset: 0;
    opacity: 0.6;
}

.grid-line {
    position: absolute;
    background: var(--color-navy-light);
}

.grid-line.horizontal {
    height: 1px;
    width: 100%;
    left: 0;
}

.grid-line.horizontal:nth-child(1) { top: 25%; }
.grid-line.horizontal:nth-child(2) { top: 50%; }
.grid-line.horizontal:nth-child(3) { top: 75%; }

.grid-line.vertical {
    width: 1px;
    height: 100%;
    top: 0;
}

.grid-line.vertical:nth-child(4) { left: 25%; }
.grid-line.vertical:nth-child(5) { left: 50%; }
.grid-line.vertical:nth-child(6) { left: 75%; }

.grid-accent {
    position: absolute;
    width: 120px;
    height: 120px;
    border: 2px solid var(--color-accent);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 1; transform: translate(-50%, -50%) scale(1.05); }
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 500;
    text-decoration: none;
    border: none;
    border-radius: 2px;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-primary {
    background: var(--color-navy-dark);
    color: var(--color-white);
}

.btn-primary:hover {
    background: var(--color-navy);
    color: var(--color-white);
    transform: translateY(-1px);
}

.btn-secondary {
    background: transparent;
    color: var(--color-navy-dark);
    border: 1px solid var(--color-navy-dark);
}

.btn-secondary:hover {
    background: var(--color-navy-dark);
    color: var(--color-white);
}

.btn-large {
    padding: 1.125rem 2.25rem;
    font-size: 1rem;
}

/* Link Arrow */
.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    color: var(--color-accent);
    transition: gap var(--transition-base);
}

.link-arrow:hover {
    gap: 0.75rem;
    color: var(--color-navy);
}

/* ============================================
   PROBLEM PREVIEW SECTION
   ============================================ */
.problem-preview {
    padding: var(--space-2xl) 0;
    background: var(--color-white);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.problem-stat {
    text-align: center;
    padding: var(--space-lg);
    border: 1px solid var(--color-ice);
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--color-navy-dark);
    line-height: 1;
    margin-bottom: var(--space-sm);
}

.stat-label {
    display: block;
    font-size: 0.9375rem;
    color: var(--color-slate);
    line-height: 1.5;
}

.problem-hook {
    font-family: var(--font-display);
    font-size: 1.375rem;
    font-weight: 400;
    color: var(--color-navy);
    text-align: center;
    max-width: var(--container-narrow);
    margin: 0 auto var(--space-md);
}

.problem-preview .link-arrow {
    display: block;
    text-align: center;
}

/* ============================================
   DIFFERENTIATOR SECTION
   ============================================ */
.differentiator {
    padding: var(--space-2xl) 0;
    background: var(--color-navy-dark);
    color: var(--color-white);
}

.differentiator .section-headline {
    color: var(--color-white);
    max-width: var(--container-narrow);
    margin-bottom: var(--space-md);
}

.differentiator .section-subheadline {
    font-size: 1.1875rem;
    color: var(--color-cloud);
    max-width: var(--container-narrow);
    margin-bottom: var(--space-xl);
}

.credentials-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.credential {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.05);
    border-left: 2px solid var(--color-accent);
}

.credential-icon {
    color: var(--color-accent);
    font-size: 0.75rem;
    margin-top: 0.25rem;
}

.credential-text {
    font-size: 0.9375rem;
    color: var(--color-cloud);
    line-height: 1.5;
}

/* ============================================
   APPROACH PREVIEW SECTION
   ============================================ */
.approach-preview {
    padding: var(--space-2xl) 0;
    background: var(--color-ice);
}

.section-title {
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.approach-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-xl);
}

.approach-intro p {
    font-size: 1.25rem;
    color: var(--color-navy);
    margin-bottom: var(--space-md);
}

.approach-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.step {
    padding: var(--space-lg);
    background: var(--color-white);
    border-bottom: 3px solid var(--color-navy-dark);
}

.step-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-cloud);
    margin-bottom: var(--space-sm);
}

.step-title {
    font-size: 1.125rem;
    margin-bottom: var(--space-xs);
}

.step-desc {
    font-size: 0.9375rem;
    color: var(--color-slate);
    margin-bottom: 0;
}

/* ============================================
   AI SECTION
   ============================================ */
.ai-section {
    padding: var(--space-2xl) 0;
    background: var(--color-white);
    border-top: 1px solid var(--color-ice);
    border-bottom: 1px solid var(--color-ice);
}

.ai-content {
    max-width: var(--container-narrow);
}

.ai-eyebrow {
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.ai-section .section-headline {
    margin-bottom: var(--space-md);
}

.ai-section p {
    font-size: 1.0625rem;
    color: var(--color-slate);
}

.ai-note {
    font-weight: 500;
    color: var(--color-navy) !important;
    padding-top: var(--space-sm);
    border-top: 1px solid var(--color-ice);
    margin-top: var(--space-md);
}

/* ============================================
   CLIENTS PREVIEW SECTION
   ============================================ */
.clients-preview {
    padding: var(--space-2xl) 0;
    background: var(--color-white);
}

.clients-preview .section-title {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.client-types {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.client-type {
    padding: var(--space-xl);
    background: var(--color-ice);
    border-top: 3px solid var(--color-navy-dark);
}

.client-type h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
}

.client-type p {
    color: var(--color-slate);
    margin-bottom: var(--space-md);
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    padding: var(--space-2xl) 0;
    background: linear-gradient(135deg, var(--color-navy-dark) 0%, var(--color-navy) 100%);
    text-align: center;
}

.cta-content h2 {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    color: var(--color-white);
    margin-bottom: var(--space-sm);
}

.cta-content p {
    font-size: 1.125rem;
    color: var(--color-cloud);
    margin-bottom: var(--space-lg);
}

.cta-section .btn-primary {
    background: var(--color-white);
    color: var(--color-navy-dark);
}

.cta-section .btn-primary:hover {
    background: var(--color-ice);
    color: var(--color-navy-dark);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: var(--space-2xl) 0 var(--space-lg);
    background: var(--color-navy-dark);
    color: var(--color-cloud);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer-brand .logo-mark {
    background: var(--color-white);
    color: var(--color-navy-dark);
    margin-bottom: var(--space-sm);
}

.footer-tagline {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 1.125rem;
    color: var(--color-cloud);
    margin-bottom: var(--space-md);
}

.footer-company {
    font-weight: 500;
    color: var(--color-silver);
    margin-bottom: 0.25rem;
}

.footer-registration {
    font-size: 0.875rem;
    color: var(--color-slate);
}

.footer h4 {
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-silver);
    margin-bottom: var(--space-md);
}

.footer ul {
    list-style: none;
}

.footer ul li {
    margin-bottom: var(--space-xs);
}

.footer ul a {
    color: var(--color-cloud);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.footer ul a:hover {
    color: var(--color-white);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.875rem;
    color: var(--color-slate);
}

.footer-legal {
    display: flex;
    gap: var(--space-md);
}

.footer-legal a {
    color: var(--color-slate);
}

.footer-legal a:hover {
    color: var(--color-cloud);
}

/* ============================================
   PAGE TEMPLATES
   ============================================ */
.page-header {
    padding: calc(var(--space-3xl) + 60px) 0 var(--space-xl);
    background: var(--color-ice);
}

.page-header .container {
    max-width: var(--container-narrow);
}

.page-title {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: var(--space-sm);
}

.page-subtitle {
    font-size: 1.25rem;
    color: var(--color-slate);
}

.page-content {
    padding: var(--space-2xl) 0;
}

.page-content .container {
    max-width: var(--container-narrow);
}

.page-content h2 {
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
}

.page-content h3 {
    margin-top: var(--space-lg);
    margin-bottom: var(--space-sm);
}

.page-content p {
    color: var(--color-navy);
}

/* ============================================
   BLOG/INSIGHTS
   ============================================ */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--space-lg);
}

.blog-card {
    background: var(--color-white);
    border: 1px solid var(--color-ice);
    transition: box-shadow var(--transition-base);
}

.blog-card:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.blog-card-content {
    padding: var(--space-lg);
}

.blog-category {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-accent);
    margin-bottom: var(--space-xs);
}

.blog-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
}

.blog-card h3 a {
    color: var(--color-navy-dark);
    text-decoration: none;
}

.blog-card h3 a:hover {
    color: var(--color-accent);
}

.blog-excerpt {
    font-size: 0.9375rem;
    color: var(--color-slate);
    margin-bottom: var(--space-md);
}

.blog-meta {
    font-size: 0.8125rem;
    color: var(--color-silver);
}

/* ============================================
   FORMS
   ============================================ */
.form-group {
    margin-bottom: var(--space-md);
}

.form-label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--space-xs);
    color: var(--color-navy);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: var(--font-body);
    font-size: 1rem;
    border: 1px solid var(--color-cloud);
    border-radius: 2px;
    transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
    }
    
    .hero-visual {
        display: none;
    }
    
    .approach-grid {
        grid-template-columns: 1fr;
    }
    
    .approach-steps {
        grid-template-columns: 1fr;
    }
    
    .credentials-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--color-white);
        padding: var(--space-md);
        border-bottom: 1px solid var(--color-ice);
        gap: var(--space-sm);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .problem-grid {
        grid-template-columns: 1fr;
    }
    
    .client-types {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
    
    .hero-cta-group {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
}