/* PureStalk - Global Styles */

:root {
    /* Brand greens - used as accent, not canvas */
    --purestalk-green: #154734;
    --purestalk-light-green: #2A6B53;
    --purestalk-dark-green: #0E3024;

    /* Warm neutrals - this is the canvas now */
    --purestalk-cream: #F5F1E8;
    --purestalk-cream-soft: #FAF7F0;
    --purestalk-paper: #FFFFFF;

    /* Ink */
    --purestalk-ink: #1A1A1A;
    --purestalk-ink-muted: #5A5A5A;

    /* Hairlines - warm, not cool */
    --purestalk-rule: #E5E0D5;

    --text-primary: var(--purestalk-ink);
    --text-secondary: var(--purestalk-ink-muted);
    --border-color: var(--purestalk-rule);
}

/* Typography */

body {
    font-family: 'Inter', 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--purestalk-ink);
    line-height: 1.7;
    background-color: var(--purestalk-paper);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: inherit;
}

h2 {
    font-size: 2.25rem;
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    color: inherit;
}

/* Editorial paragraph: constrains measure to ~62ch for comfortable reading */
.prose-measure {
    max-width: 62ch;
}

.prose-measure.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

.text-purestalk {
    color: var(--purestalk-green) !important;
}

.text-success {
    color: var(--purestalk-green) !important;
}

.bg-success {
    background-color: var(--purestalk-green) !important;
}

.bg-purestalk {
    background-color: var(--purestalk-green) !important;
}


.bg-    {
    background-color: var(--purestalk-cream) !important;
}

.bg-purestalk-cream-soft {
    background-color: var(--purestalk-cream-soft) !important;
}

.bg-purestalk-paper {
    background-color: var(--purestalk-paper) !important;
}

/* Header Styles */
.hero-section {
    background-color: var(--purestalk-cream);
    color: var(--purestalk-ink);
    padding: 140px 0 120px;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--purestalk-rule);
}

.hero-section .container {
    position: relative;
    z-index: 2;
}

/* Optional editorial image panel (use within hero) */
.hero-image {
    width: 100%;
    height: 100%;
    min-height: 480px;
    object-fit: cover;
    border-radius: 5px;
    filter: saturate(0.95);
}

.hero-title {
    font-size: 4.25rem;
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: 1.75rem;
    color: var(--purestalk-ink);
}

.hero-subtitle {
    font-size: 1.2rem;
    font-weight: 400;
    line-height: 1.6;
    margin-bottom: 2.5rem;
    color: var(--purestalk-ink-muted);
    max-width: 56ch;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.75rem;
        letter-spacing: -0.02em;
    }
    .hero-subtitle {
        font-size: 1.05rem;
    }
}

/* Navigation */
.navbar {
    border-bottom: 1px solid var(--purestalk-rule);
    box-shadow: none !important;
}

.navbar-brand {
    font-size: 1.8rem !important;
    color: var(--purestalk-green) !important;
}

.nav-link {
    color: var(--text-primary) !important;
    transition: color 0.25s ease;
    letter-spacing: 0.02em;
}

.nav-link:hover {
    color: var(--purestalk-green) !important;
}

.nav-link.active {
    color: var(--purestalk-green) !important;
    font-weight: 600;
}

/* Buttons */
.btn-purestalk {
    background-color: var(--purestalk-green);
    border: 1px solid var(--purestalk-green);
    color: #fff;
    font-weight: 500;
    font-size: 0.8rem;
    padding: 14px 36px;
    border-radius: 5px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: background-color 0.25s ease, border-color 0.25s ease;
}

.btn-purestalk:hover,
.btn-purestalk:focus {
    background-color: var(--purestalk-dark-green);
    border-color: var(--purestalk-dark-green);
    color: #fff;
    transform: none;
    box-shadow: none;
}

.btn-outline-purestalk {
    background: transparent;
    border: 1px solid var(--purestalk-green);
    color: var(--purestalk-green);
    font-weight: 500;
    font-size: 0.8rem;
    padding: 14px 36px;
    border-radius: 5px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: background-color 0.25s ease, color 0.25s ease;
}

.btn-outline-purestalk:hover,
.btn-outline-purestalk:focus {
    background-color: var(--purestalk-green);
    border-color: var(--purestalk-green);
    color: #fff;
}

/* Bootstrap btn-lg balance with new tighter styles */
.btn-lg.btn-purestalk,
.btn-lg.btn-outline-purestalk {
    padding: 16px 44px;
    font-size: 0.85rem;
}

.btn-sm.btn-purestalk,
.btn-sm.btn-outline-purestalk {
    padding: 10px 22px;
    font-size: 0.7rem;
}

/* Cream / outline-cream — for use on dark green CTA sections */
.btn-cream {
    background-color: var(--purestalk-cream);
    border: 1px solid var(--purestalk-cream);
    color: var(--purestalk-green);
    font-weight: 500;
    font-size: 0.8rem;
    padding: 14px 36px;
    border-radius: 5px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: background-color 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}

.btn-cream:hover,
.btn-cream:focus {
    background-color: #fff;
    border-color: #fff;
    color: var(--purestalk-dark-green);
    transform: none;
    box-shadow: none;
}

.btn-outline-cream {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.6);
    color: var(--purestalk-cream);
    font-weight: 500;
    font-size: 0.8rem;
    padding: 14px 36px;
    border-radius: 5px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: background-color 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}

.btn-outline-cream:hover,
.btn-outline-cream:focus {
    background-color: var(--purestalk-cream);
    border-color: var(--purestalk-cream);
    color: var(--purestalk-green);
}

.btn-lg.btn-cream,
.btn-lg.btn-outline-cream {
    padding: 16px 44px;
    font-size: 0.85rem;
}

.btn-sm.btn-cream,
.btn-sm.btn-outline-cream {
    padding: 10px 22px;
    font-size: 0.7rem;
}

/* Cards */
.card {
    background-color: var(--purestalk-paper);
    border: 1px solid var(--purestalk-rule);
    border-radius: 5px;
    box-shadow: none;
    transition: border-color 0.25s ease;
}

.card:hover {
    transform: none;
    box-shadow: none;
    border-color: var(--purestalk-green);
}

.card-header {
    background-color: var(--purestalk-cream-soft);
    border-bottom: 1px solid var(--purestalk-rule);
    font-weight: 600;
    color: var(--purestalk-ink);
}

/* Feature Sections */
.feature-section {
    padding: 120px 0;
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: transparent;
    border: 1px solid var(--purestalk-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    color: var(--purestalk-green);
    font-size: 1.5rem;
}

.feature-title {
    color: var(--purestalk-ink);
    font-weight: 600;
    margin-bottom: 12px;
    font-size: 1.15rem;
    letter-spacing: -0.01em;
}

/* Stats Section */
.stats-section {
    background: var(--purestalk-cream);
    padding: 100px 0;
    border-top: 1px solid var(--purestalk-rule);
    border-bottom: 1px solid var(--purestalk-rule);
}

.stat-item {
    text-align: center;
    padding: 20px;
}

.stat-number {
    font-family: 'Montserrat', sans-serif;
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--purestalk-green);
    display: block;
    line-height: 1;
    letter-spacing: -0.03em;
    margin-bottom: 12px;
}

.stat-label {
    color: var(--purestalk-ink-muted);
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.18em;
}

/* Product Specifications */
.spec-table {
    background: var(--purestalk-paper);
    border: 1px solid var(--purestalk-rule);
    border-radius: 5px;
    overflow: hidden;
    box-shadow: none;
    margin: 30px 0;
}

.spec-table th {
    background-color: var(--purestalk-green);
    color: #fff;
    font-weight: 600;
    border: none;
    padding: 18px 20px;
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.spec-table td {
    padding: 18px 20px;
    border-bottom: 1px solid var(--purestalk-rule);
    color: var(--purestalk-ink);
}

.spec-table tr:last-child td {
    border-bottom: none;
}

/* Certification Badges */
.certification-badge {
    background: var(--purestalk-paper);
    border: 1px solid var(--purestalk-rule);
    border-radius: 5px;
    padding: 36px 28px;
    text-align: center;
    height: 100%;
    transition: border-color 0.25s ease;
}

.certification-badge:hover {
    border-color: var(--purestalk-green);
}

.certification-badge img {
    max-height: 72px;
    margin-bottom: 20px;
}

/* Contact Form */
.contact-form {
    background: var(--purestalk-paper);
    border: 1px solid var(--purestalk-rule);
    border-radius: 5px;
    padding: 48px;
    box-shadow: none;
}

.form-control {
    background-color: var(--purestalk-paper);
    border: 1px solid var(--purestalk-rule);
    border-radius: 5px;
    padding: 12px 14px;
    color: var(--purestalk-ink);
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.form-control:focus {
    border-color: var(--purestalk-green);
    box-shadow: 0 0 0 0.15rem rgba(21, 71, 52, 0.12);
}

.form-label {
    font-weight: 500;
    color: var(--purestalk-ink);
    margin-bottom: 8px;
    font-size: 0.85rem;
    letter-spacing: 0.04em;
}

/* Timeline */
.timeline {
    position: relative;
    padding: 20px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 1px;
    background-color: var(--purestalk-rule);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin: 40px 0;
}

.timeline-content {
    background: var(--purestalk-paper);
    border: 1px solid var(--purestalk-rule);
    border-radius: 5px;
    padding: 32px;
    box-shadow: none;
    width: 45%;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: auto;
    margin-right: 55%;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: 55%;
    margin-right: auto;
}

.timeline-marker {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 12px;
    height: 12px;
    background-color: var(--purestalk-green);
    border: 2px solid var(--purestalk-cream);
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

@media (max-width: 768px) {
    .timeline::before {
        left: 20px;
    }
    
    .timeline-content {
        width: calc(100% - 60px);
        margin-left: 60px !important;
        margin-right: 0 !important;
    }
    
    .timeline-marker {
        left: 20px;
    }
}

/* FAQ Accordion */
.accordion {
    --bs-accordion-border-color: var(--purestalk-rule);
    --bs-accordion-border-radius: 5px;
    --bs-accordion-active-bg: var(--purestalk-cream);
    --bs-accordion-active-color: var(--purestalk-green);
}

.accordion-item {
    border: 1px solid var(--purestalk-rule);
    background-color: var(--purestalk-paper);
}

.accordion-button {
    background-color: var(--purestalk-paper);
    color: var(--purestalk-ink);
    font-weight: 600;
    border: none;
    border-radius: 0;
    border-left: 3px solid transparent;
    transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.accordion-button:not(.collapsed) {
    background-color: var(--purestalk-cream);
    color: var(--purestalk-green);
    border-left: 3px solid var(--purestalk-green);
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: 0 0 0 0.15rem rgba(21, 71, 52, 0.12);
    border-color: transparent;
}

.accordion-button:not(.collapsed):focus {
    border-left: 3px solid var(--purestalk-green);
}

.accordion-body {
    background-color: var(--purestalk-paper);
    color: var(--purestalk-ink);
}

/* Responsive Design */
@media (max-width: 768px) {
    .feature-section {
        padding: 64px 0;
    }
    
    .hero-section {
        padding: 64px 0;
    }
    
    .stats-section {
        padding: 64px 0;
    }
    
    .contact-form {
        padding: 30px 20px;
    }
}

/* Utility Classes */
.text-gradient {
    color: var(--purestalk-green);
}

.border-purestalk {
    border-color: var(--purestalk-green) !important;
}

.shadow-purestalk {
    box-shadow: 0 1px 0 rgba(21, 71, 52, 0.06) !important;
}

.rule-top { border-top: 1px solid var(--purestalk-rule); }
.rule-bottom { border-bottom: 1px solid var(--purestalk-rule); }

/* Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

/* Print Styles */
@media print {
    .navbar, .footer, .btn {
        display: none !important;
    }
}