/* =============================================
   RESET & CUSTOM PROPERTIES
============================================= */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --mountain-deep: #1a3a5c;
    --mountain-mid: #264d73;
    --glacier-blue: #2ab0e3;
    --glacier-light: #e8f6fc;
    --glacier-bg: #f0f9fd;
    --stone-dark: #3a3a4a;
    --stone: #4a4a5a;
    --stone-light: #6a6a7a;
    --snow: #ffffff;
    --snow-off: #f8f9fb;
    --sunrise-gold: #d4a574;
    --sunrise-light: #f5ebe0;
    --ridge-line: #d0d5dd;
    --shadow-sm: 0 1px 3px rgba(26, 58, 92, 0.06);
    --shadow-md: 0 4px 16px rgba(26, 58, 92, 0.08);
    --shadow-lg: 0 8px 32px rgba(26, 58, 92, 0.1);
    --shadow-xl: 0 16px 48px rgba(26, 58, 92, 0.12);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--stone-dark);
    background: var(--snow);
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
}

/* =============================================
   TYPOGRAPHY
============================================= */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 600;
    color: var(--mountain-deep);
}

.eyebrow {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--glacier-blue);
    margin-bottom: 1rem;
    display: block;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    margin-bottom: 1.25rem;
    color: var(--mountain-deep);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--stone-light);
    max-width: 640px;
    line-height: 1.8;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header .section-subtitle {
    margin: 0 auto;
}

/* =============================================
   LAYOUT
============================================= */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 6rem 0;
}

/* =============================================
   BUTTONS
============================================= */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-family: 'Poppins', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 50px;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--glacier-blue);
    color: var(--snow);
    border-color: var(--glacier-blue);
}

.btn-primary:hover {
    background: #1e9bcb;
    border-color: #1e9bcb;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(42, 176, 227, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--mountain-deep);
    border-color: var(--mountain-deep);
}

.btn-outline:hover {
    background: var(--mountain-deep);
    color: var(--snow);
    transform: translateY(-2px);
}

.btn-outline-light {
    background: transparent;
    color: var(--snow);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline-light:hover {
    background: var(--snow);
    color: var(--mountain-deep);
    border-color: var(--snow);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 0.625rem 1.5rem;
    font-size: 0.85rem;
}

/* =============================================
   NAVIGATION
============================================= */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.25rem 0;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0);
}

.nav.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    padding: 0.5rem 0;
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

.nav-logo img {
    height: 140px;
    width: auto;
    transition: var(--transition);
}

.nav.scrolled .nav-logo img {
    height: 60px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--stone);
    transition: var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--glacier-blue);
    transition: var(--transition);
}

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

.nav-links a:hover::after {
    width: 100%;
}

.nav-cta {
    display: flex;
    align-items: center;
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 4px;
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--mountain-deep);
    border-radius: 2px;
    transition: var(--transition);
}

/* =============================================
   HERO SECTION
============================================= */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 0 4rem;
    background: #6a7d8e;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 720px;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 1.5rem;
    padding: 2.5rem;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
    opacity: 0;
    transform: translateY(20px);
    animation: heroCardIn 0.8s ease-out 0.7s forwards;
}

@keyframes heroCardIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero h1 {
    font-size: clamp(2.4rem, 5vw, 3.6rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    color: var(--mountain-deep);
}

.hero h1 span {
    background: linear-gradient(135deg, var(--glacier-blue), var(--mountain-mid));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--stone-light);
    line-height: 1.8;
    margin-bottom: 2rem;
    max-width: 560px;
}

.hero-checks {
    list-style: none;
    margin-bottom: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.hero-checks li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.95rem;
    color: var(--stone);
}

.hero-checks li svg {
    width: 20px;
    height: 20px;
    color: var(--glacier-blue);
    flex-shrink: 0;
}

.hero-cta {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-micro {
    display: block;
    margin-top: 0.75rem;
    font-size: 0.8rem;
    color: var(--stone-light);
    font-style: italic;
}

/* Hero background photo */
.hero-photo {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.hero-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 30%;
}

/* Gradient overlay for text readability */
.hero-photo::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to right,
        rgba(255, 255, 255, 0.15) 0%,
        rgba(255, 255, 255, 0.05) 40%,
        rgba(255, 255, 255, 0) 100%
    );
}

/* =============================================
   MOUNTAIN RIDGE DIVIDER
============================================= */
.ridge-divider {
    width: 100%;
    overflow: hidden;
    line-height: 0;
}

.ridge-divider svg {
    display: block;
    width: 100%;
    height: 40px;
}

/* =============================================
   VALUE PROPOSITION
============================================= */
.value-section {
    background: var(--snow);
    position: relative;
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

.value-card {
    padding: 0;
    border-radius: var(--radius-md);
    background: var(--snow);
    border: 1px solid var(--ridge-line);
    transition: var(--transition);
    overflow: hidden;
}

.value-card:hover {
    border-color: var(--glacier-blue);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.value-img {
    width: 100%;
    height: 180px;
    overflow: hidden;
}

.value-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.value-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
    padding: 1.5rem 2rem 0;
}

.value-card p {
    font-size: 0.95rem;
    color: var(--stone-light);
    line-height: 1.7;
    padding: 0 2rem 2rem;
}

/* =============================================
   SHOWCASE / PORTFOLIO SECTION
============================================= */
.showcase-section {
    background: var(--snow-off);
    padding: 5rem 0;
    overflow: hidden;
}

.showcase-scroll-wrapper {
    position: relative;
    margin-top: 3rem;
}

.showcase-scroll-wrapper::before,
.showcase-scroll-wrapper::after {
    display: none;
}

.showcase-track {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    padding: 0.5rem 0 1.5rem;
}

.showcase-track .showcase-card {
    flex: 0 1 340px;
    max-width: 400px;
}

.showcase-card {
    background: var(--snow);
    border: 1px solid var(--ridge-line);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition);
    display: flex;
    flex-direction: column;
}

.showcase-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.showcase-card-visual {
    height: 160px;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

.showcase-card-visual::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.08) 0%, transparent 60%);
}

.showcase-card-body {
    padding: 1.25rem 1.5rem 1rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.showcase-card-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--mountain-deep);
    margin: 0 0 0.5rem;
    line-height: 1.3;
}

.showcase-card-desc {
    font-size: 0.875rem;
    color: var(--stone-light);
    line-height: 1.6;
    margin: 0;
}

.showcase-card-features {
    list-style: none;
    margin: 0.75rem 0 0;
    padding: 0;
    flex: 1;
}

.showcase-card-features li {
    font-size: 0.8rem;
    color: var(--stone-light);
    line-height: 1.5;
    padding: 0.2rem 0 0.2rem 1.1rem;
    position: relative;
}

.showcase-card-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55rem;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--glacier-blue);
}

.showcase-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--ridge-line);
}

.showcase-tag {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--glacier-blue);
    background: var(--glacier-bg);
    border: 1px solid rgba(42, 176, 227, 0.25);
    padding: 0.2rem 0.6rem;
    border-radius: 100px;
    white-space: nowrap;
}

/* =============================================
   OPEN SOURCE SECTION
============================================= */
.opensource-section {
    background: var(--snow);
    padding: 5rem 0;
    overflow: hidden;
}

.opensource-section .showcase-card-visual {
    height: 55px;
}


.oss-stars {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    color: var(--sunrise-gold);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.3rem 0.65rem;
    border-radius: 50px;
    z-index: 1;
}

.oss-stars svg {
    width: 14px;
    height: 14px;
    fill: var(--sunrise-gold);
}

.showcase-card-visual {
    position: relative;
}

/* =============================================
   PROCESS / APPROACH SECTION
============================================= */
.process-section {
    background: var(--mountain-deep);
    color: var(--snow);
    position: relative;
    overflow: hidden;
}

.process-section .eyebrow {
    color: var(--sunrise-gold);
}

.process-section .section-title {
    color: var(--snow);
}

.process-section .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

.process-bg-peaks {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    opacity: 0.05;
}

.process-bg-peaks svg {
    display: block;
    width: 100%;
    height: auto;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    position: relative;
    z-index: 2;
}

.process-step {
    text-align: center;
    padding: 2rem 1.5rem;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(42, 176, 227, 0.15);
    border: 2px solid var(--glacier-blue);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--glacier-blue);
    margin-bottom: 1.5rem;
}

.process-step h3 {
    color: var(--snow);
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
}

.process-step p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

.step-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.step-icon svg {
    width: 36px;
    height: 36px;
    color: var(--glacier-blue);
}

.process-connector {
    display: none;
}

/* =============================================
   ABOUT SECTION
============================================= */
.about-section {
    background: var(--snow);
}

.about-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-visual {
    position: relative;
}

.about-mountain-art {
    width: 100%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4 / 3;
    position: relative;
}

.about-mountain-art img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 25%;
    display: block;
}

.about-stat-badge {
    position: absolute;
    bottom: -1.5rem;
    right: -1rem;
    background: var(--snow);
    padding: 1.25rem 1.75rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.about-stat-badge .stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--glacier-blue);
    line-height: 1;
}

.about-stat-badge .stat-label {
    font-size: 0.75rem;
    color: var(--stone-light);
    font-weight: 500;
}

.about-content .eyebrow {
    text-align: left;
}

.about-content .section-title {
    text-align: left;
}

.about-text {
    font-size: 1rem;
    color: var(--stone);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.about-highlight {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--mountain-deep);
    font-style: italic;
    padding-left: 1.25rem;
    border-left: 3px solid var(--glacier-blue);
    margin: 2rem 0;
}

.about-traits {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 2rem;
}

.about-trait {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--stone);
}

.about-trait svg {
    width: 20px;
    height: 20px;
    color: var(--glacier-blue);
    flex-shrink: 0;
}

/* =============================================
   CONTACT SECTION
============================================= */
.contact-section {
    background: var(--snow-off);
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.contact-info > p {
    font-size: 1rem;
    color: var(--stone-light);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-item-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: var(--glacier-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-item-icon svg {
    width: 20px;
    height: 20px;
    color: var(--glacier-blue);
}

.contact-item-text .label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--stone-light);
    margin-bottom: 0.125rem;
}

.contact-item-text .value {
    font-size: 0.95rem;
    color: var(--mountain-deep);
    font-weight: 500;
}

.contact-item-text a {
    color: var(--mountain-deep);
    text-decoration: none;
    transition: var(--transition);
}

.contact-item-text a:hover {
    color: var(--glacier-blue);
}

.contact-cta-card {
    background: var(--snow);
    border-radius: var(--radius-lg);
    padding: 3rem;
    box-shadow: var(--shadow-md);
    text-align: center;
    border: 1px solid var(--ridge-line);
}

.contact-cta-card .mountain-small {
    margin-bottom: 1.5rem;
}

.contact-cta-card .mountain-small svg {
    width: 120px;
    height: auto;
    color: var(--glacier-blue);
    opacity: 0.25;
}

.contact-cta-card h3 {
    font-size: 1.4rem;
    margin-bottom: 0.75rem;
}

.contact-cta-card p {
    font-size: 0.95rem;
    color: var(--stone-light);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.contact-cta-card .btn {
    width: 100%;
    justify-content: center;
}

.contact-cta-card .micro {
    display: block;
    margin-top: 1rem;
    font-size: 0.8rem;
    color: var(--stone-light);
    font-style: italic;
}

/* =============================================
   FOOTER
============================================= */
.footer {
    background: var(--mountain-deep);
    color: rgba(255, 255, 255, 0.7);
    padding: 3rem 0;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer-brand {
    display: flex;
    align-items: center;
}

.footer-brand img {
    height: 80px;
    width: auto;
    filter: brightness(0) invert(1);
}

.footer-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.85rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--snow);
}

.footer-copy {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
}

/* =============================================
   SCROLL REVEAL ANIMATIONS
============================================= */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* =============================================
   RESPONSIVE
============================================= */
@media (max-width: 1024px) {
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about-visual {
        max-width: 500px;
        margin: 0 auto;
    }

    .contact-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

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

    .container {
        padding: 0 1.25rem;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--snow);
        flex-direction: column;
        padding: 1.5rem 2rem;
        gap: 1.25rem;
        box-shadow: var(--shadow-md);
        border-top: 1px solid var(--ridge-line);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-cta {
        display: none;
    }

    .mobile-toggle {
        display: flex;
    }

    .nav-logo img {
        height: 90px;
    }

    .nav.scrolled .nav-logo img {
        height: 50px;
    }

    .hero {
        min-height: auto;
        padding: 10rem 0 3rem;
    }

    .hero h1 {
        font-size: clamp(1.8rem, 6vw, 2.6rem);
    }

    .hero-content {
        padding: 1.75rem;
        border-radius: 1rem;
    }

    .hero-photo img {
        object-position: center 40%;
    }

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

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

    .about-traits {
        grid-template-columns: 1fr;
    }

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

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .showcase-track .showcase-card {
        flex: 1 1 100%;
        max-width: 100%;
    }
}

/* =============================================
   BLOG — SHARED COMPONENTS
============================================= */

/* Active nav link */
.nav-links a.nav-active {
    color: var(--glacier-blue);
}

.nav-links a.nav-active::after {
    width: 100%;
}

/* Tag pills */
.blog-tag {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--glacier-blue);
    background: var(--glacier-bg);
    border: 1px solid rgba(42, 176, 227, 0.25);
    padding: 0.25rem 0.75rem;
    border-radius: 100px;
    white-space: nowrap;
    display: inline-block;
}

.blog-tag-sm {
    font-size: 0.7rem;
    padding: 0.2rem 0.6rem;
}

.blog-date {
    font-size: 0.85rem;
    color: var(--stone-light);
    font-weight: 400;
}

.blog-date-sm {
    font-size: 0.8rem;
}

/* =============================================
   BLOG INDEX PAGE
============================================= */

/* Homepage: white nav links over hero image */
body:has(.hero) .nav:not(.scrolled) .nav-links a {
    color: var(--snow);
}

body:has(.hero) .nav:not(.scrolled) .nav-links a:hover {
    color: var(--sunrise-gold);
}

body:has(.hero) .nav:not(.scrolled) .btn-outline {
    color: var(--snow);
    border-color: rgba(255, 255, 255, 0.5);
}

body:has(.hero) .nav:not(.scrolled) .btn-outline:hover {
    background: var(--snow);
    color: var(--mountain-deep);
}

/* Blog page: white nav links over hero image */
body:has(.blog-index-hero) .nav:not(.scrolled) .nav-links a {
    color: var(--snow);
}

body:has(.blog-index-hero) .nav:not(.scrolled) .nav-links a:hover {
    color: var(--sunrise-gold);
}

body:has(.blog-index-hero) .nav:not(.scrolled) .btn-outline {
    color: var(--snow);
    border-color: rgba(255, 255, 255, 0.5);
}

body:has(.blog-index-hero) .nav:not(.scrolled) .btn-outline:hover {
    background: var(--snow);
    color: var(--mountain-deep);
}

.blog-index-hero {
    background:
        linear-gradient(180deg, rgba(15, 23, 42, 0.45) 0%, rgba(30, 58, 95, 0.35) 60%, rgba(15, 23, 42, 0.55) 100%),
        url('../dents-du-midi-1920.jpg') center 35% / cover no-repeat;
    color: var(--snow);
    padding: 9rem 0 4rem;
    text-align: center;
}

.blog-index-hero .eyebrow {
    color: var(--sunrise-gold);
}

.blog-index-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--snow);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.blog-index-subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.75);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}

.blog-index-page {
    padding: 4rem 0 6rem;
    background: var(--snow-off);
    min-height: 60vh;
}

/* Filter buttons */
.blog-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.625rem;
    margin-bottom: 3rem;
}

.blog-filter-btn {
    font-family: 'Poppins', sans-serif;
    font-size: 0.85rem;
    font-weight: 500;
    padding: 0.5rem 1.25rem;
    border-radius: 100px;
    border: 1.5px solid var(--ridge-line);
    background: var(--snow);
    color: var(--stone);
    cursor: pointer;
    transition: var(--transition);
}

.blog-filter-btn:hover {
    border-color: var(--glacier-blue);
    color: var(--glacier-blue);
}

.blog-filter-btn.active {
    background: var(--glacier-blue);
    border-color: var(--glacier-blue);
    color: var(--snow);
}

/* Blog card grid */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.blog-card {
    background: var(--snow);
    border: 1px solid var(--ridge-line);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--glacier-blue);
}

.blog-card-body {
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
    height: 100%;
}

.blog-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    align-items: center;
}

.blog-card-title {
    font-size: 1.15rem;
    font-weight: 700;
    line-height: 1.35;
    margin: 0;
}

.blog-card-title a {
    color: var(--mountain-deep);
    text-decoration: none;
    transition: color var(--transition);
}

.blog-card-title a:hover {
    color: var(--glacier-blue);
}

.blog-card-excerpt {
    font-size: 0.9rem;
    color: var(--stone-light);
    line-height: 1.7;
    margin: 0;
    flex: 1;
}

.blog-read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--glacier-blue);
    text-decoration: none;
    transition: gap var(--transition);
    margin-top: auto;
}

.blog-read-more:hover {
    gap: 0.625rem;
}

.blog-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--ridge-line);
}

.blog-no-results {
    text-align: center;
    color: var(--stone-light);
    padding: 3rem 0;
    font-size: 1rem;
}

/* =============================================
   BLOG ARTICLE PAGE
============================================= */

/* Article hero with mountain background */
.blog-article-hero {
    background:
        linear-gradient(180deg, rgba(15, 23, 42, 0.45) 0%, rgba(30, 58, 95, 0.35) 60%, rgba(15, 23, 42, 0.55) 100%),
        url('../dents-du-midi-1920.jpg') center 35% / cover no-repeat;
    color: var(--snow);
    padding: 12rem 0 3rem;
}

body:has(.blog-article-hero) .nav:not(.scrolled) .nav-links a {
    color: var(--snow);
}

body:has(.blog-article-hero) .nav:not(.scrolled) .nav-links a:hover {
    color: var(--sunrise-gold);
}

body:has(.blog-article-hero) .nav:not(.scrolled) .btn-outline {
    color: var(--snow);
    border-color: rgba(255, 255, 255, 0.5);
}

body:has(.blog-article-hero) .nav:not(.scrolled) .btn-outline:hover {
    background: var(--snow);
    color: var(--mountain-deep);
}

.blog-article-hero .blog-breadcrumb {
    margin-bottom: 1.5rem;
}

.blog-article-hero .blog-breadcrumb a {
    color: rgba(255, 255, 255, 0.7);
}

.blog-article-hero .blog-breadcrumb a:hover {
    color: var(--snow);
}

.blog-article-hero .blog-breadcrumb span {
    color: rgba(255, 255, 255, 0.5);
}

.blog-article-hero .blog-article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1rem;
}

.blog-article-hero .blog-article-meta .blog-date {
    margin-left: auto;
}

.blog-article-hero .blog-article-meta .blog-tag {
    background: rgba(255, 255, 255, 0.15);
    color: var(--snow);
    border-color: rgba(255, 255, 255, 0.3);
    text-decoration: none;
}

.blog-article-hero .blog-article-meta .blog-tag:hover {
    background: rgba(255, 255, 255, 0.3);
}

.blog-article-hero .blog-article-title {
    color: var(--snow);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    margin-bottom: 0.75rem;
    line-height: 1.2;
}

.blog-article-hero .blog-article-excerpt {
    color: rgba(255, 255, 255, 0.75);
    font-size: 1.1rem;
    font-style: italic;
    max-width: 700px;
}

.blog-article-page {
    padding: 3rem 0 5rem;
    background: var(--snow);
    min-height: 70vh;
}

.blog-article-date {
    text-align: right;
    color: var(--stone-light);
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

/* Breadcrumb */
.blog-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--stone-light);
    margin-bottom: 2.5rem;
}

.blog-breadcrumb a {
    color: var(--stone-light);
    text-decoration: none;
    transition: color var(--transition);
}

.blog-breadcrumb a:hover {
    color: var(--glacier-blue);
}

.blog-breadcrumb span[aria-hidden] {
    color: var(--ridge-line);
}

/* Article layout */
.blog-article {
    max-width: 800px;
    margin: 0 auto;
}

.blog-article-header {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--ridge-line);
}

.blog-article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    align-items: center;
    margin-bottom: 1.25rem;
}

.blog-article-title {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 700;
    color: var(--mountain-deep);
    line-height: 1.2;
    margin-bottom: 1rem;
}

.blog-article-excerpt {
    font-size: 1.1rem;
    color: var(--stone-light);
    line-height: 1.8;
    font-style: italic;
    margin: 0;
}

/* Article body typography */
.blog-article-body {
    font-size: 1rem;
    line-height: 1.85;
    color: var(--stone);
}

.blog-article-body h2 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--mountain-deep);
    margin: 2.5rem 0 1rem;
}

.blog-article-body h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--mountain-deep);
    margin: 2rem 0 0.75rem;
}

.blog-article-body h4,
.blog-article-body h5,
.blog-article-body h6 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--mountain-deep);
    margin: 1.5rem 0 0.625rem;
}

.blog-article-body p {
    margin-bottom: 1.25rem;
}

.blog-article-body a {
    color: var(--glacier-blue);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color var(--transition);
}

.blog-article-body a:hover {
    color: var(--mountain-deep);
}

.blog-article-body ul,
.blog-article-body ol {
    margin: 1rem 0 1.5rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.blog-article-body li {
    line-height: 1.7;
}

.blog-article-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin: 1.5rem 0;
    box-shadow: var(--shadow-md);
    display: block;
}

.blog-article-body blockquote {
    margin: 1.5rem 0;
    padding: 1rem 1.5rem;
    border-left: 3px solid var(--glacier-blue);
    background: var(--glacier-bg);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--stone);
    font-style: italic;
}

.blog-article-body blockquote p {
    margin: 0;
}

.blog-article-body pre[class*="language-"] {
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin: 1.5rem 0;
    font-size: 0.875rem;
    line-height: 1.65;
}

.blog-article-body pre:not([class*="language-"]) {
    background: var(--mountain-deep);
    color: #e8f0f8;
    border-radius: var(--radius-md);
    padding: 1.5rem;
    overflow-x: auto;
    margin: 1.5rem 0;
    font-size: 0.875rem;
    line-height: 1.65;
}

.blog-article-body code {
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 0.875em;
    background: var(--glacier-bg);
    color: var(--mountain-deep);
    padding: 0.15em 0.45em;
    border-radius: 4px;
    border: 1px solid rgba(42, 176, 227, 0.2);
}

.blog-article-body pre code {
    background: none;
    color: inherit;
    padding: 0;
    border: none;
    font-size: inherit;
    border-radius: 0;
}

.blog-article-body hr {
    border: none;
    border-top: 1px solid var(--ridge-line);
    margin: 2.5rem 0;
}

.blog-article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 0.925rem;
}

.blog-article-body th,
.blog-article-body td {
    padding: 0.6rem 1rem;
    border: 1px solid var(--ridge-line);
    text-align: left;
}

.blog-article-body th {
    background: var(--glacier-bg);
    font-weight: 600;
    color: var(--mountain-deep);
}

.blog-article-body tr:nth-child(even) {
    background: rgba(42, 176, 227, 0.04);
}

/* Related articles */
.blog-related {
    max-width: 800px;
    margin: 3rem auto;
    padding: 2rem;
    background: var(--snow-off);
    border-radius: var(--radius-lg);
    border: 1px solid var(--ridge-line);
}

.blog-related h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--stone-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.blog-related-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.blog-related-list a {
    color: var(--mountain-deep);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.blog-related-list a::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--glacier-blue);
    flex-shrink: 0;
}

.blog-related-list a:hover {
    color: var(--glacier-blue);
}

/* Back link */
.blog-back-link {
    max-width: 800px;
    margin: 2rem auto 0;
}

/* =============================================
   BLOG RESPONSIVE
============================================= */

@media (max-width: 1024px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .blog-index-hero {
        padding: 7rem 0 3rem;
    }

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

    .blog-article-page {
        padding: 6rem 0 4rem;
    }

    .blog-article-body pre {
        font-size: 0.8rem;
        padding: 1rem;
    }
}