/* ============================================
   FECForge — Global Styles
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    --color-primary: #1E40AF;
    --color-primary-dark: #1E3A8A;
    --color-primary-light: #3B82F6;
    --color-accent: #F59E0B;
    --color-accent-dark: #D97706;
    --color-text: #1F2937;
    --color-text-light: #6B7280;
    --color-bg: #FFFFFF;
    --color-bg-alt: #F9FAFB;
    --color-bg-dark: #111827;
    --color-border: #E5E7EB;
    --color-success: #10B981;

    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.25rem;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);

    --header-height: 72px;
    --max-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--color-primary-dark);
}

ul {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 700;
    color: var(--color-text);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }

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

.section {
    padding: var(--spacing-3xl) 0;
}

.section-alt {
    background-color: var(--color-bg-alt);
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto var(--spacing-2xl);
}

.section-header h2 {
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    color: var(--color-text-light);
    font-size: var(--font-size-lg);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    line-height: 1.4;
}

.btn-primary {
    background-color: var(--color-accent);
    color: #FFFFFF;
    border-color: var(--color-accent);
}

.btn-primary:hover {
    background-color: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
    color: #FFFFFF;
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: #FFFFFF;
}

.btn-lg {
    padding: 1rem 2.25rem;
    font-size: var(--font-size-lg);
}

.btn-white {
    background-color: #FFFFFF;
    color: var(--color-primary);
    border-color: #FFFFFF;
}

.btn-white:hover {
    background-color: var(--color-bg-alt);
    color: var(--color-primary-dark);
}

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

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.site-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.site-logo img {
    height: 40px;
    width: auto;
}

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: 800;
    letter-spacing: -0.02em;
}

.logo-fec {
    color: var(--color-primary);
}

.logo-forge {
    color: var(--color-text);
}

/* Navigation */
.main-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-list li a {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-light);
    padding: 0.5rem 0;
    transition: color 0.2s ease;
}

.nav-list li a:hover,
.nav-list li.current-menu-item a {
    color: var(--color-primary);
}

.nav-cta {
    padding: 0.5rem 1.25rem;
    font-size: var(--font-size-sm);
}

/* Hamburger */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    position: relative;
    transition: background-color 0.3s ease;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    transition: transform 0.3s ease;
}

.hamburger::before { top: -7px; }
.hamburger::after { top: 7px; }

/* Hamburger active state */
.nav-toggle.active .hamburger {
    background-color: transparent;
}

.nav-toggle.active .hamburger::before {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active .hamburger::after {
    transform: translateY(-7px) rotate(-45deg);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    padding: calc(var(--header-height) + var(--spacing-3xl)) 0 var(--spacing-3xl);
    text-align: center;
    background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
}

.hero h1 {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: var(--spacing-md);
    max-width: 780px;
    margin-left: auto;
    margin-right: auto;
}

.hero .hero-accent {
    color: var(--color-primary);
}

.hero p {
    font-size: var(--font-size-xl);
    color: var(--color-text-light);
    max-width: 560px;
    margin: 0 auto var(--spacing-lg);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   Module / Feature Cards
   ============================================ */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.card {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    font-size: 1.5rem;
}

.card-icon.blue {
    background-color: rgba(30, 64, 175, 0.1);
    color: var(--color-primary);
}

.card-icon.orange {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--color-accent);
}

.card-icon.green {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
}

.card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xs);
}

.card p {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

/* ============================================
   Value Props
   ============================================ */
.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    text-align: center;
}

.value-item {
    padding: var(--spacing-lg);
}

.value-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background-color: var(--color-bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    font-size: 1.75rem;
}

.value-item h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
}

.value-item p {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

/* ============================================
   CTA Banner
   ============================================ */
.cta-banner {
    background-color: var(--color-primary);
    color: #FFFFFF;
    text-align: center;
    padding: var(--spacing-3xl) 0;
}

.cta-banner h2 {
    color: #FFFFFF;
    margin-bottom: var(--spacing-sm);
}

.cta-banner p {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   Features Page
   ============================================ */
.feature-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    padding: var(--spacing-2xl) 0;
}

.feature-block:not(:last-child) {
    border-bottom: 1px solid var(--color-border);
}

.feature-block.reverse {
    direction: rtl;
}

.feature-block.reverse > * {
    direction: ltr;
}

.feature-content h2 {
    margin-bottom: var(--spacing-sm);
}

.feature-content p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

.feature-list li::before {
    content: "\2713";
    color: var(--color-success);
    font-weight: 700;
    flex-shrink: 0;
}

.feature-image {
    background-color: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    aspect-ratio: 4 / 3;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    border: 1px solid var(--color-border);
}

.coming-soon-section {
    text-align: center;
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-bg-alt);
    border-radius: var(--radius-xl);
}

.coming-soon-section h2 {
    margin-bottom: var(--spacing-sm);
}

.coming-soon-section p {
    color: var(--color-text-light);
    max-width: 500px;
    margin: 0 auto;
}

/* ============================================
   Pricing Page
   ============================================ */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    max-width: 960px;
    margin: 0 auto;
}

.pricing-card {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    position: relative;
    transition: box-shadow 0.3s ease;
}

.pricing-card:hover {
    box-shadow: var(--shadow-xl);
}

.pricing-card.featured {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-primary);
    color: #FFFFFF;
    font-size: var(--font-size-sm);
    font-weight: 600;
    padding: 0.25rem 1rem;
    border-radius: 9999px;
}

.pricing-card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xs);
}

.pricing-card .price {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.pricing-card .price-note {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.price-savings {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-success);
    margin-bottom: var(--spacing-md);
}

.pricing-features {
    text-align: left;
    margin-bottom: var(--spacing-lg);
}

.pricing-features li {
    padding: 0.5rem 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pricing-features li::before {
    content: "\2713";
    color: var(--color-success);
    font-weight: 700;
}

/* FAQ Accordion */
.faq-section {
    max-width: 720px;
    margin: var(--spacing-3xl) auto 0;
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: var(--spacing-md) 0;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--color-text);
    transition: color 0.2s ease;
}

.faq-question:hover {
    color: var(--color-primary);
}

.faq-question::after {
    content: "+";
    font-size: var(--font-size-xl);
    font-weight: 400;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question::after {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer p {
    padding: 0 0 var(--spacing-md);
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    line-height: 1.7;
}

/* ============================================
   About Page
   ============================================ */
.about-hero {
    padding: calc(var(--header-height) + var(--spacing-3xl)) 0 var(--spacing-2xl);
    text-align: center;
    background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
}

.about-hero h1 {
    margin-bottom: var(--spacing-md);
}

.about-hero p {
    font-size: var(--font-size-xl);
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
}

.about-content {
    max-width: 720px;
    margin: 0 auto;
}

.about-content h2 {
    margin-bottom: var(--spacing-sm);
}

.about-content p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-lg);
    line-height: 1.8;
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.philosophy-card {
    padding: var(--spacing-lg);
    background-color: var(--color-bg-alt);
    border-radius: var(--radius-lg);
}

.philosophy-card h3 {
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-lg);
}

.philosophy-card p {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

/* ============================================
   Contact Page
   ============================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.contact-info h2 {
    margin-bottom: var(--spacing-sm);
}

.contact-info p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.contact-method-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background-color: var(--color-bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.25rem;
}

.contact-method h4 {
    font-size: var(--font-size-base);
    margin-bottom: 0.125rem;
}

.contact-method p {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin: 0;
}

.contact-form-wrapper {
    background-color: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.contact-form-wrapper h3 {
    margin-bottom: var(--spacing-md);
}

.contact-form-placeholder {
    padding: var(--spacing-2xl);
    text-align: center;
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

/* ============================================
   Page Hero (generic)
   ============================================ */
.page-hero {
    padding: calc(var(--header-height) + var(--spacing-2xl)) 0 var(--spacing-2xl);
    background-color: var(--color-bg-alt);
    text-align: center;
}

.page-content {
    padding: var(--spacing-2xl) 0 var(--spacing-3xl);
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
    background-color: var(--color-bg-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

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

.footer-brand .site-logo {
    margin-bottom: var(--spacing-sm);
}

.footer-brand .logo-fec {
    color: var(--color-primary-light);
}

.footer-brand .logo-forge {
    color: #FFFFFF;
}

.footer-tagline {
    font-size: var(--font-size-sm);
    max-width: 280px;
}

.footer-links h4 {
    color: #FFFFFF;
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-sm);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
    transition: color 0.2s ease;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    text-align: center;
    font-size: var(--font-size-sm);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
    h1 { font-size: var(--font-size-3xl); }
    h2 { font-size: var(--font-size-2xl); }

    .hero h1 {
        font-size: var(--font-size-3xl);
    }

    .hero p {
        font-size: var(--font-size-base);
    }

    /* Mobile nav */
    .nav-toggle {
        display: block;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background-color: var(--color-bg);
        flex-direction: column;
        align-items: flex-start;
        padding: calc(var(--header-height) + var(--spacing-lg)) var(--spacing-lg) var(--spacing-lg);
        box-shadow: var(--shadow-xl);
        transition: right 0.3s ease;
        gap: var(--spacing-md);
    }

    .main-nav.open {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        width: 100%;
        gap: 0;
    }

    .nav-list li a {
        display: block;
        padding: var(--spacing-sm) 0;
        font-size: var(--font-size-base);
        border-bottom: 1px solid var(--color-border);
    }

    .nav-cta {
        width: 100%;
        text-align: center;
        margin-top: var(--spacing-sm);
    }

    /* Feature blocks stack */
    .feature-block {
        grid-template-columns: 1fr;
    }

    .feature-block.reverse {
        direction: ltr;
    }

    /* Pricing */
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }

    /* Contact */
    .contact-grid {
        grid-template-columns: 1fr;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-lg);
    }

    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: var(--font-size-2xl);
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn-lg {
        width: 100%;
    }

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

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