/*
Theme Name: Fault Ledger
Theme URI: https://faultledger.com
Author: Fault Ledger
Author URI: https://faultledger.com
Description: Custom theme for Fault Ledger - Dual-mode bearing sensor platform for predictive maintenance and forensic evidence capture. A clean, professional B2B landing page theme.
Version: 1.0.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: faultledger
*/

/* ==========================================================================
   CSS Variables
   ========================================================================== */

:root {
    /* Colors */
    --color-navy: #1A2A3A;
    --color-navy-dark: #0F1A24;
    --color-charcoal: #333333;
    --color-gray-dark: #555555;
    --color-gray: #777777;
    --color-gray-light: #F5F5F5;
    --color-white: #FFFFFF;
    --color-accent: #2A5A8A;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;

    /* Spacing */
    --section-padding: 100px;
    --section-padding-mobile: 60px;
    --container-width: 1200px;
    --container-narrow: 800px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-primary);
    font-size: 18px;
    line-height: 1.7;
    color: var(--color-charcoal);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    margin: 0 0 1rem 0;
    color: var(--color-navy);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    margin: 0 0 1.5rem 0;
}

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

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

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

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 30px;
}

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

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

.section--gray {
    background-color: var(--color-gray-light);
}

.section--navy {
    background-color: var(--color-navy);
    color: var(--color-white);
}

.section--navy h2,
.section--navy h3,
.section--navy h4 {
    color: var(--color-white);
}

.section__header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.section__title {
    margin-bottom: 1rem;
}

.section__subtitle {
    font-size: 1.25rem;
    color: var(--color-gray);
}

.section--navy .section__subtitle {
    color: rgba(255, 255, 255, 0.8);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--color-white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: background var(--transition-normal), box-shadow var(--transition-normal);
}

.site-header--transparent {
    background: transparent;
    box-shadow: none;
}

.site-header--scrolled {
    background: var(--color-white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 30px;
    max-width: var(--container-width);
    margin: 0 auto;
}

.site-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-navy);
    text-decoration: none;
}

.site-header--transparent .site-logo {
    color: var(--color-white);
}

.site-header--scrolled .site-logo {
    color: var(--color-navy);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 40px;
}

.nav-menu a {
    color: var(--color-charcoal);
    font-weight: 500;
    font-size: 1rem;
    transition: color var(--transition-fast);
}

.site-header--transparent .nav-menu a {
    color: var(--color-white);
}

.site-header--scrolled .nav-menu a {
    color: var(--color-charcoal);
}

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

.nav-cta {
    display: inline-block;
    padding: 12px 24px;
    background: var(--color-navy);
    color: var(--color-white) !important;
    border-radius: 4px;
    font-weight: 500;
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.nav-cta:hover {
    background: var(--color-navy-dark);
    transform: translateY(-2px);
    color: var(--color-white) !important;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--color-navy);
    margin: 5px 0;
    transition: var(--transition-fast);
}

.site-header--transparent .menu-toggle span {
    background: var(--color-white);
}

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

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-dark) 100%);
    color: var(--color-white);
    text-align: center;
    padding: 120px 30px 80px;
}

.hero__content {
    max-width: 900px;
}

.hero__title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--color-white);
    line-height: 1.1;
}

.hero__subtitle {
    font-size: 1.35rem;
    line-height: 1.8;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero__cta {
    display: inline-block;
    padding: 18px 40px;
    background: var(--color-white);
    color: var(--color-navy);
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 4px;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.hero__cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    color: var(--color-navy);
}

.hero__email-signup {
    margin-top: 50px;
    padding-top: 50px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.hero__email-signup p {
    font-size: 0.95rem;
    opacity: 0.8;
    margin-bottom: 15px;
}

.email-form {
    display: flex;
    justify-content: center;
    gap: 10px;
    max-width: 500px;
    margin: 0 auto;
}

.email-form input[type="email"] {
    flex: 1;
    padding: 15px 20px;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-family: var(--font-primary);
}

.email-form button {
    padding: 15px 30px;
    background: var(--color-accent);
    color: var(--color-white);
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition-fast);
    font-family: var(--font-primary);
}

.email-form button:hover {
    background: var(--color-navy-dark);
}

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

.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 60px;
}

.problem-card {
    text-align: center;
    padding: 40px 30px;
    background: var(--color-white);
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.problem-card__icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 25px;
    background: var(--color-gray-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.problem-card__icon svg {
    width: 32px;
    height: 32px;
    stroke: var(--color-navy);
}

.problem-card__title {
    font-size: 1.25rem;
    margin-bottom: 15px;
}

.problem-card__text {
    color: var(--color-gray);
    margin-bottom: 0;
    font-size: 1rem;
}

/* ==========================================================================
   Solution Section
   ========================================================================== */

.solution__content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.solution__content p {
    font-size: 1.15rem;
    color: var(--color-gray-dark);
}

.solution__content p:last-child {
    margin-bottom: 0;
}

.solution__highlight {
    font-size: 1.35rem;
    font-weight: 500;
    color: var(--color-navy);
    margin: 2rem 0;
}

/* ==========================================================================
   Dual-Mode Platform Section
   ========================================================================== */

.dual-mode-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.mode-card {
    background: var(--color-white);
    border-radius: 8px;
    padding: 40px 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    border-top: 4px solid var(--color-gray-light);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.mode-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.mode-card--predictive {
    border-top-color: var(--color-accent);
}

.mode-card--forensic {
    border-top-color: var(--color-navy);
}

.mode-card--switch {
    border-top-color: #48bb78;
}

.mode-card__header {
    margin-bottom: 20px;
}

.mode-card__label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-accent);
    margin-bottom: 8px;
}

.mode-card--forensic .mode-card__label {
    color: var(--color-navy);
}

.mode-card--switch .mode-card__label {
    color: #48bb78;
}

.mode-card__title {
    font-size: 1.35rem;
    margin-bottom: 0;
    color: var(--color-navy);
}

.mode-card__text {
    color: var(--color-gray-dark);
    font-size: 1rem;
    margin-bottom: 20px;
}

.mode-card__features {
    list-style: none;
    padding: 0;
    margin: 0;
    border-top: 1px solid var(--color-gray-light);
    padding-top: 20px;
}

.mode-card__features li {
    font-size: 0.9rem;
    color: var(--color-gray);
    padding: 6px 0 6px 20px;
    position: relative;
}

.mode-card__features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 14px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.mode-card--predictive .mode-card__features li::before {
    background: var(--color-accent);
}

.mode-card--forensic .mode-card__features li::before {
    background: var(--color-navy);
}

.mode-card--switch .mode-card__features li::before {
    background: #48bb78;
}

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

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.step {
    text-align: center;
    padding: 30px 20px;
    position: relative;
}

.step__number {
    width: 60px;
    height: 60px;
    background: var(--color-navy);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 25px;
}

.step__title {
    font-size: 1.15rem;
    margin-bottom: 15px;
}

.step__text {
    color: var(--color-gray);
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* Connector lines between steps */
.step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 60px;
    right: -15px;
    width: 30px;
    height: 2px;
    background: var(--color-gray-light);
}

/* ==========================================================================
   Features Section
   ========================================================================== */

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.feature-card {
    padding: 40px;
    background: var(--color-gray-light);
    border-radius: 8px;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.feature-card__label {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-accent);
    margin-bottom: 10px;
}

.feature-card__title {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.feature-card__text {
    color: var(--color-gray-dark);
    margin-bottom: 0;
}

/* ==========================================================================
   What We Don't Do Section
   ========================================================================== */

.boundaries__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px 60px;
    margin-top: 50px;
}

.boundary-item h4 {
    color: var(--color-white);
    margin-bottom: 10px;
}

.boundary-item p {
    opacity: 0.85;
    margin-bottom: 0;
    font-size: 1rem;
}

.boundaries__closing {
    text-align: center;
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.boundaries__closing p {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 0;
}

/* ==========================================================================
   Use Cases Section
   ========================================================================== */

.usecases-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.usecase-card {
    text-align: center;
    padding: 40px 25px;
    background: var(--color-white);
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: transform var(--transition-normal);
}

.usecase-card:hover {
    transform: translateY(-5px);
}

.usecase-card__icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    background: var(--color-navy);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.usecase-card__icon svg {
    width: 30px;
    height: 30px;
    stroke: var(--color-white);
}

.usecase-card__title {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.usecase-card__text {
    color: var(--color-gray);
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */

.contact {
    background: var(--color-gray-light);
}

.contact__inner {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact__text {
    font-size: 1.15rem;
    color: var(--color-gray-dark);
    margin-bottom: 40px;
}

.contact-form {
    background: var(--color-white);
    padding: 50px;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    text-align: left;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--color-navy);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--color-gray-light);
    border-radius: 4px;
    font-size: 1rem;
    font-family: var(--font-primary);
    transition: border-color var(--transition-fast);
}

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

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

.form-submit {
    width: 100%;
    padding: 18px;
    background: var(--color-navy);
    color: var(--color-white);
    border: none;
    border-radius: 4px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition-fast);
    font-family: var(--font-primary);
}

.form-submit:hover {
    background: var(--color-navy-dark);
}

.contact__alternative {
    margin-top: 30px;
    color: var(--color-gray);
}

.contact__alternative a {
    color: var(--color-navy);
    font-weight: 500;
}

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

.site-footer {
    background: var(--color-navy-dark);
    color: var(--color-white);
    padding: 60px 0 30px;
}

.footer__inner {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 40px;
}

.footer__brand {
    max-width: 300px;
}

.footer__logo {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.footer__tagline {
    opacity: 0.7;
    font-size: 0.95rem;
    margin-bottom: 0;
}

.footer__nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: 30px;
}

.footer__nav a {
    color: var(--color-white);
    opacity: 0.8;
    transition: opacity var(--transition-fast);
}

.footer__nav a:hover {
    opacity: 1;
}

.footer__social {
    display: flex;
    gap: 15px;
}

.footer__social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-fast);
}

.footer__social a:hover {
    background: rgba(255, 255, 255, 0.2);
}

.footer__social svg {
    width: 20px;
    height: 20px;
    fill: var(--color-white);
}

.footer__bottom {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer__copyright {
    opacity: 0.6;
    font-size: 0.9rem;
    margin: 0;
}

.footer__legal {
    display: flex;
    gap: 20px;
}

.footer__legal a {
    color: var(--color-white);
    opacity: 0.6;
    font-size: 0.9rem;
    transition: opacity var(--transition-fast);
}

.footer__legal a:hover {
    opacity: 1;
}

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

@media (max-width: 1024px) {
    .hero__title {
        font-size: 3rem;
    }

    .problem-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

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

    .step:not(:last-child)::after {
        display: none;
    }

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

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

    .dual-mode-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }

    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }

    .menu-toggle {
        display: block;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--color-white);
        flex-direction: column;
        justify-content: center;
        padding: 40px;
        transition: right var(--transition-normal);
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
    }

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

    .nav-menu {
        flex-direction: column;
        gap: 25px;
    }

    .nav-menu a,
    .site-header--transparent .nav-menu a {
        color: var(--color-charcoal);
        font-size: 1.2rem;
    }

    .hero__title {
        font-size: 2.5rem;
    }

    .hero__subtitle {
        font-size: 1.1rem;
    }

    .email-form {
        flex-direction: column;
    }

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

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

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

    .contact-form {
        padding: 30px;
    }

    .footer__inner {
        flex-direction: column;
        text-align: center;
    }

    .footer__nav ul {
        justify-content: center;
    }

    .footer__social {
        justify-content: center;
    }

    .footer__bottom {
        flex-direction: column;
        text-align: center;
    }

    .mode-card {
        padding: 30px 25px;
    }
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(480px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-gray-light);
    border-left: 4px solid var(--color-accent);
    padding: 1.75rem 2rem;
    border-radius: 0 4px 4px 0;
}

.faq-item__question {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-navy);
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.faq-item__answer {
    font-size: 0.95rem;
    color: var(--color-gray-dark);
    line-height: 1.7;
    margin: 0;
}

@media (max-width: 640px) {
    .faq-grid {
        grid-template-columns: 1fr;
    }
}
/* ==========================================================================
   Industry Cards Section
   ========================================================================== */

.industry-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.industry-card {
    background: var(--color-white);
    border-radius: 8px;
    padding: 40px 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.industry-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.industry-card__icon {
    width: 60px;
    height: 60px;
    background: var(--color-navy);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.industry-card__icon svg {
    width: 30px;
    height: 30px;
    stroke: var(--color-white);
}

.industry-card__title {
    font-size: 1.35rem;
    margin-bottom: 15px;
    color: var(--color-navy);
}

.industry-card__text {
    color: var(--color-gray-dark);
    font-size: 1rem;
    margin-bottom: 20px;
}

.industry-card__specs {
    list-style: none;
    padding: 0;
    margin: 0;
    border-top: 1px solid var(--color-gray-light);
    padding-top: 20px;
}

.industry-card__specs li {
    font-size: 0.9rem;
    color: var(--color-gray);
    padding: 6px 0 6px 20px;
    position: relative;
}

.industry-card__specs li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 14px;
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
}

/* ==========================================================================
   Differentiators Section
   ========================================================================== */

.diff-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.diff-card {
    background: var(--color-gray-light);
    border-radius: 8px;
    padding: 40px 30px;
    position: relative;
}

.diff-card__number {
    width: 50px;
    height: 50px;
    background: var(--color-navy);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.diff-card__title {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--color-navy);
}

.diff-card__text {
    color: var(--color-gray-dark);
    font-size: 1.05rem;
    margin-bottom: 20px;
}

.diff-card__list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.diff-card__list li {
    font-size: 0.95rem;
    color: var(--color-gray-dark);
    padding: 10px 0 10px 20px;
    position: relative;
    line-height: 1.6;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.diff-card__list li:last-child {
    border-bottom: none;
}

.diff-card__list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 18px;
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 2px;
}

.diff-card__list li strong {
    color: var(--color-navy);
}

/* ==========================================================================
   Features Grid - 3 column variant
   ========================================================================== */

.features-grid--three {
    grid-template-columns: repeat(3, 1fr);
}

/* ==========================================================================
   Responsive - Industry, Differentiator, and 3-col Features
   ========================================================================== */

@media (max-width: 1024px) {
    .industry-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

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

    .features-grid--three {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .diff-card {
        padding: 30px 25px;
    }
}

/* ==========================================================================
   Footer Resources Column
   ========================================================================== */

.footer__resources h4 {
    color: var(--color-white);
    font-size: 1rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.footer__resources ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer__resources ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition-normal);
}

.footer__resources ul li a:hover {
    color: var(--color-accent);
}

/* ==========================================================================
   Blog — Listing Page (home.php)
   ========================================================================== */

.blog-hero {
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-dark) 100%);
    color: var(--color-white);
    text-align: center;
    padding: 140px 30px 60px;
}

.blog-hero h1 {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 12px;
}

.blog-hero p {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.8);
    max-width: 600px;
    margin: 0 auto;
}

.blog-listing {
    padding: 60px 0 80px;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.blog-card {
    background: var(--color-white);
    border: 1px solid #e8e8e8;
    border-radius: 8px;
    padding: 36px;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

.blog-card__meta {
    font-size: 0.85rem;
    color: var(--color-gray);
    margin-bottom: 12px;
}

.blog-card__title {
    font-size: 1.35rem;
    margin-bottom: 14px;
    line-height: 1.3;
}

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

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

.blog-card__excerpt {
    color: var(--color-gray-dark);
    font-size: 0.95rem;
    margin-bottom: 16px;
    line-height: 1.7;
}

.blog-card__link {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-accent);
}

.blog-card__link:hover {
    color: var(--color-navy);
}

.blog-pagination {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 48px;
}

.blog-pagination a,
.blog-pagination span {
    display: inline-block;
    padding: 10px 18px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 0.9rem;
    color: var(--color-charcoal);
    text-decoration: none;
}

.blog-pagination a:hover {
    background: var(--color-gray-light);
    color: var(--color-navy);
}

.blog-pagination .current {
    background: var(--color-navy);
    color: var(--color-white);
    border-color: var(--color-navy);
}

/* ==========================================================================
   Blog — Single Post (single.php)
   ========================================================================== */

.post-hero {
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-dark) 100%);
    color: var(--color-white);
    text-align: center;
    padding: 140px 30px 60px;
}

.post-hero h1 {
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--color-white);
    max-width: 800px;
    margin: 0 auto 16px;
    line-height: 1.2;
}

.post-hero__meta {
    font-size: 0.95rem;
    color: rgba(255,255,255,0.7);
}

.post-hero__meta span + span::before {
    content: '\00b7';
    margin: 0 10px;
}

.post-content {
    padding: 60px 0;
}

.post-content .entry-content {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--color-charcoal);
}

.post-content .entry-content h2 {
    font-size: 1.8rem;
    margin: 2.5rem 0 1rem;
}

.post-content .entry-content h3 {
    font-size: 1.3rem;
    margin: 2rem 0 0.75rem;
}

.post-content .entry-content ul,
.post-content .entry-content ol {
    padding-left: 24px;
    margin-bottom: 1.5rem;
}

.post-content .entry-content li {
    margin-bottom: 8px;
}

.post-content .entry-content blockquote {
    border-left: 4px solid var(--color-accent);
    margin: 2rem 0;
    padding: 16px 24px;
    background: var(--color-gray-light);
    border-radius: 0 6px 6px 0;
    font-style: italic;
    color: var(--color-gray-dark);
}

.post-content .entry-content pre {
    background: var(--color-navy-dark);
    color: #e0e0e0;
    padding: 20px 24px;
    border-radius: 6px;
    overflow-x: auto;
    font-size: 0.9rem;
    margin: 1.5rem 0;
}

.post-content .entry-content code {
    background: var(--color-gray-light);
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 0.9em;
}

.post-content .entry-content pre code {
    background: none;
    padding: 0;
}

.post-content .entry-content a {
    color: var(--color-accent);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.post-content .entry-content a:hover {
    color: var(--color-navy);
}

.author-box {
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid #e0e0e0;
    display: flex;
    align-items: center;
    gap: 20px;
}

.author-box__avatar {
    width: 56px;
    height: 56px;
    background: var(--color-navy);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-weight: 700;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.author-box__info h4 {
    margin: 0 0 4px;
    font-size: 1rem;
}

.author-box__info p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--color-gray);
}

.post-nav {
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid #e0e0e0;
    display: flex;
    justify-content: space-between;
    gap: 24px;
}

.post-nav a {
    font-size: 0.9rem;
    color: var(--color-accent);
    font-weight: 500;
}

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

.post-nav__prev::before {
    content: '\2190 ';
}

.post-nav__next::after {
    content: ' \2192';
}

.blog-cta {
    background: var(--color-gray-light);
    text-align: center;
    padding: 60px 30px;
}

.blog-cta h2 {
    font-size: 1.6rem;
    margin-bottom: 12px;
}

.blog-cta p {
    color: var(--color-gray-dark);
    max-width: 600px;
    margin: 0 auto 24px;
}

.blog-cta__btn {
    display: inline-block;
    padding: 14px 32px;
    background: var(--color-navy);
    color: var(--color-white);
    border-radius: 4px;
    font-weight: 600;
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.blog-cta__btn:hover {
    background: var(--color-navy-dark);
    transform: translateY(-2px);
    color: var(--color-white);
}

/* Blog responsive */
@media (max-width: 768px) {
    .blog-grid {
        grid-template-columns: 1fr;
    }

    .blog-hero h1 {
        font-size: 2rem;
    }

    .post-hero h1 {
        font-size: 1.8rem;
    }

    .post-nav {
        flex-direction: column;
    }

    .author-box {
        flex-direction: column;
        text-align: center;
    }
}