/* ============================================
   REGIOCLIM v2 - Inspired by 21 Industry Leaders
   Xweather + KAJO + Climavision + Jupiter Intel
   ============================================ */

/* --- Design Tokens --- */
:root {
    /* Blue palette harmonized with RCI logo (sky blue + navy + red accent) */
    --color-primary: #133c5e;
    --color-primary-mid: #1b6a9a;
    --color-primary-light: #4a9fd4;
    --color-accent: #5badd8;
    --color-accent-dark: #2b8cbf;
    --color-accent-glow: rgba(91, 173, 216, 0.15);
    --color-red: #c23347;
    --color-red-glow: rgba(194, 51, 71, 0.12);
    --color-dark: #0d1b2a;
    --color-text: #374151;
    --color-text-light: #6b7280;
    --color-text-on-dark: rgba(255, 255, 255, 0.8);
    --color-bg: #ffffff;
    --color-bg-light: #f0f5fa;
    --color-bg-dark: #0e1f33;
    --color-border: #dfe6ee;

    /* Typography */
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
    --font-heading: 'Lato', 'Inter', sans-serif;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
    --shadow-glow: 0 0 40px rgba(91, 173, 216, 0.25);

    /* Radii */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;

    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --max-width: 1200px;
}

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

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-dark);
    line-height: 1.2;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   FLOATING GLASSMORPHISM NAVBAR
   Inspired by: KAJO Services, Xweather
   ============================================ */
.site-header {
    position: fixed;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 48px);
    max-width: var(--max-width);
    z-index: 1000;
    background: rgba(10, 22, 40, 0.75);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    transition: all var(--transition);
}

.site-header.scrolled {
    top: 8px;
    background: rgba(10, 22, 40, 0.92);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.header-inner {
    padding: 0 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 96px;
    gap: 16px;
}

.logo { display: flex; align-items: center; flex-shrink: 0; }
.logo-img {
    height: 96px;
    width: auto;
    filter: drop-shadow(0 0 1px rgba(255,255,255,0.9)) drop-shadow(0 0 3px rgba(255,255,255,0.4));
}

/* Nav links on dark bg */
.nav-list {
    list-style: none;
    display: flex;
    gap: 4px;
}

.nav-item > a {
    display: block;
    padding: 8px 14px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: rgba(255, 255, 255, 0.75);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.nav-item > a:hover,
.nav-item.open > a {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

/* Dropdown */
.has-dropdown { position: relative; }

.dropdown {
    list-style: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    min-width: 240px;
    background: rgba(14, 31, 51, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all 0.25s ease;
}

.has-dropdown.open .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown a {
    display: block;
    padding: 10px 16px;
    font-size: 0.82rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.7);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.dropdown a:hover {
    background: rgba(44, 219, 189, 0.15);
    color: var(--color-accent);
}

/* Nav CTA Button */
.btn-nav {
    display: inline-block;
    padding: 8px 20px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--color-dark);
    background: var(--color-accent);
    border-radius: var(--radius-full);
    transition: all var(--transition);
    white-space: nowrap;
    flex-shrink: 0;
}
.btn-nav:hover {
    background: #fff;
    color: var(--color-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(44, 219, 189, 0.4);
}

/* Mobile toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}
.mobile-menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: all var(--transition);
}
.mobile-menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.mobile-menu-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ============================================
   DARK HERO
   Inspired by: Xweather (video hero), Climavision (text animation)
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    text-align: left;
    padding: 120px 24px 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: url('hero-earth.svg') center/cover no-repeat;
    z-index: 0;
}

/* Subtle overlay for extra depth */
.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(91, 173, 216, 0.06) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 30%, rgba(194, 51, 71, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.hero-planet {
    position: absolute;
    left: -5%;
    top: 50%;
    transform: translateY(-50%);
    width: 38vw;
    max-width: 550px;
    z-index: 1;
    opacity: 0.55;
    pointer-events: none;
}

.hero-planet img {
    width: 100%;
    height: auto;
    border-radius: 0;
    mask-image: radial-gradient(ellipse 70% 80% at 50% 50%, black 40%, transparent 72%);
    -webkit-mask-image: radial-gradient(ellipse 70% 80% at 50% 50%, black 40%, transparent 72%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 640px;
    margin-left: max(24px, calc((100vw - 1200px) / 2));
}

.hero-label {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(44, 219, 189, 0.12);
    border: 1px solid rgba(44, 219, 189, 0.25);
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 24px;
}

.hero h1 {
    font-size: clamp(2.2rem, 5.5vw, 4rem);
    font-weight: 900;
    color: #fff;
    margin-bottom: 24px;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

/* Animated gradient text (Climavision / KAJO style) */
.gradient-text {
    background: linear-gradient(135deg, #5badd8, #89c9ed, #c23347, #5badd8);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientShift 6s ease infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-on-dark);
    max-width: 520px;
    margin: 0 0 36px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: flex-start;
    flex-wrap: wrap;
}

/* Scroll indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 1;
}
.hero-scroll-indicator span {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: rgba(255, 255, 255, 0.4);
}
.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, rgba(91, 173, 216, 0.6), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* Hero Climate Metrics - floating bottom-right */
.hero-metrics-float {
    position: absolute;
    right: 5%;
    bottom: 12%;
    z-index: 5;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
    width: 620px;
    pointer-events: auto;
}

/* Hero Climate Metrics */
.hero-metrics,
.hero-metrics-float .metric-card {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}
.metric-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 28px 30px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}
.metric-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(91, 173, 216, 0.4), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}
.metric-card:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(91, 173, 216, 0.2);
    transform: translateY(-2px);
}
.metric-card:hover::before { opacity: 1; }
.metric-icon { margin-bottom: 10px; opacity: 0.7; }
.metric-data { display: flex; flex-direction: column; }
.metric-value {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 4px;
    animation: metricPulse 3s ease-in-out infinite;
}
.metric-label {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 2px;
}
.metric-source {
    font-size: 0.65rem;
    color: rgba(255, 255, 255, 0.3);
    font-style: italic;
}
.metric-trend {
    margin-top: 10px;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 20px;
    display: inline-block;
    width: fit-content;
}
.metric-trend-up {
    color: #ff6644;
    background: rgba(255, 68, 68, 0.1);
    border: 1px solid rgba(255, 68, 68, 0.15);
}
.metric-trend-down {
    color: #5badd8;
    background: rgba(91, 173, 216, 0.1);
    border: 1px solid rgba(91, 173, 216, 0.15);
}
@keyframes metricPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}
@media (max-width: 1100px) {
    .hero-metrics-float { display: none; }
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    border-radius: var(--radius-full);
    transition: all var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-dark);
    border-color: var(--color-accent);
}
.btn-primary:hover {
    background: #fff;
    border-color: #fff;
    color: var(--color-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-outline-light {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.3);
}
.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.6);
    color: #fff;
    transform: translateY(-2px);
}

.btn-white {
    background: #fff;
    color: var(--color-dark);
    border-color: #fff;
}
.btn-white:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

/* ============================================
   ANIMATED STATS BAR
   Inspired by: Jupiter Intel (PureCounter), Vaisala, ClimateAi
   ============================================ */
.stats-bar {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 48px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    text-align: center;
}

.stat-item {
    padding: 16px;
}

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 900;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* ============================================
   SECTIONS - Common
   ============================================ */
.section { padding: 100px 0; }

.section-label {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent-dark);
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 800;
    margin-bottom: 56px;
    color: var(--color-dark);
    letter-spacing: -0.02em;
}

.section-title::after {
    content: '';
    display: block;
    width: 48px;
    height: 3px;
    background: var(--color-accent);
    margin-top: 16px;
    border-radius: var(--radius-full);
}

/* Centered variant */
.section-label + .section-title { text-align: left; }
.services-section .section-label,
.services-section .section-title,
.blog-section .section-label,
.blog-section .section-title,
.news-section .section-label,
.news-section .section-title {
    text-align: center;
}
.services-section .section-title::after,
.blog-section .section-title::after,
.news-section .section-title::after {
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   SERVICES GRID
   Inspired by: Meteomatics, Climavision (industry cards)
   ============================================ */
.services-section { background: var(--color-bg-light); }

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-red));
    opacity: 0;
    transition: opacity var(--transition);
}

.service-card:hover {
    border-color: transparent;
    box-shadow: var(--shadow-lg);
    transform: translateY(-6px);
}

.service-card:hover::before { opacity: 1; }

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-glow);
    border-radius: var(--radius-md);
    color: var(--color-accent-dark);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.service-card p {
    font-size: 0.92rem;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 20px;
}

.card-link {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-accent-dark);
    transition: all var(--transition);
}
.card-link:hover {
    color: var(--color-primary);
    letter-spacing: 0.02em;
}

/* ============================================
   FEATURED RESEARCH
   ============================================ */
.research-layout {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 64px;
    align-items: center;
}

.research-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.research-content h2 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.research-content > p {
    color: var(--color-text-light);
    margin-bottom: 24px;
    line-height: 1.8;
}

.research-highlights {
    list-style: none;
    margin-bottom: 32px;
}

.research-highlights li {
    padding: 8px 0 8px 28px;
    position: relative;
    font-size: 0.95rem;
    color: var(--color-text);
}

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

/* ============================================
   NEWS SECTION
   ============================================ */
.news-section { background: var(--color-bg-light); }

.news-grid {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 56px;
    align-items: start;
}

.news-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    max-height: 450px;
    object-fit: cover;
}

.news-badge {
    display: inline-block;
    padding: 4px 14px;
    background: var(--color-accent-glow);
    color: var(--color-accent-dark);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-radius: var(--radius-full);
    margin-bottom: 16px;
}

.news-content h3 {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: -0.01em;
}

.news-content blockquote {
    border-left: 3px solid var(--color-accent);
    padding: 20px 24px;
    margin-bottom: 28px;
    background: var(--color-bg);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.news-content blockquote p {
    margin-bottom: 12px;
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--color-text);
}
.news-content blockquote p:last-child { margin-bottom: 0; }

/* ============================================
   INDUSTRIES MARQUEE
   Inspired by: Jupiter Intel (logo marquee)
   ============================================ */
.industries-bar {
    padding: 48px 0;
    background: var(--color-dark);
    overflow: hidden;
}

.industries-label {
    text-align: center;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: rgba(255, 255, 255, 0.35);
    margin-bottom: 24px;
}

.marquee-track {
    overflow: hidden;
    white-space: nowrap;
}

.marquee-content {
    display: inline-flex;
    align-items: center;
    animation: marqueeScroll 30s linear infinite;
}

.marquee-content:hover { animation-play-state: paused; }

@keyframes marqueeScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.marquee-item {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.6);
    padding: 0 24px;
    white-space: nowrap;
    transition: color 0.3s;
}
.marquee-item:hover { color: var(--color-accent); }

.marquee-dot {
    width: 6px;
    height: 6px;
    background: var(--color-red);
    border-radius: 50%;
    flex-shrink: 0;
    opacity: 0.6;
}

/* ============================================
   BLOG SECTION
   ============================================ */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.blog-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
}

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

.blog-card-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.blog-category {
    padding: 4px 12px;
    background: var(--color-accent-glow);
    color: var(--color-accent-dark);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-radius: var(--radius-full);
}

.blog-date {
    font-size: 0.8rem;
    color: var(--color-text-light);
}

.blog-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 12px;
}

.blog-card h3 a { color: var(--color-dark); }
.blog-card h3 a:hover { color: var(--color-primary-light); }

.blog-excerpt {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 20px;
    flex-grow: 1;
}

/* ============================================
   CTA / DONATION BANNER
   ============================================ */
.cta-banner {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-bg-dark) 100%);
    padding: 80px 0;
}

.cta-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 48px;
    align-items: center;
}

.cta-text h2 {
    font-size: 2rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 16px;
}

.cta-text p {
    color: var(--color-text-on-dark);
    font-size: 1.05rem;
    line-height: 1.8;
}

.cta-action {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
}

.iban-label {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent);
    margin-bottom: 8px;
}

.iban-number {
    font-family: 'Courier New', monospace;
    font-size: 1rem;
    color: #fff;
    margin-bottom: 24px;
    letter-spacing: 0.04em;
}

/* ============================================
   KEY ACTIVITIES BUBBLES
   ============================================ */
.activities-section {
    padding: 80px 0;
    background: var(--color-bg-light, #f0f5fa);
}

.activities-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 960px;
    margin: 0 auto;
}

.activity-bubble {
    background: #ffffff;
    border-radius: 20px;
    padding: 32px 28px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
    border: 1px solid rgba(91, 173, 216, 0.12);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.activity-bubble:hover {
    border-color: rgba(91, 173, 216, 0.3);
    box-shadow: 0 8px 30px rgba(91, 173, 216, 0.1);
    transform: translateY(-3px);
}

.activity-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--color-primary, #133c5e), var(--color-accent, #5badd8));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.activity-bubble h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--color-dark, #0d1b2a);
}

.activity-bubble p {
    font-size: 0.88rem;
    color: var(--color-text-light, #6b7280);
    line-height: 1.6;
    margin: 0;
}

@media (max-width: 700px) {
    .activities-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   FOOTER
   Inspired by: Meteomatics, Vaisala (multi-column)
   ============================================ */
.site-footer {
    background: var(--color-dark);
    color: var(--color-text-on-dark);
    padding: 64px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-logo {
    height: 84px;
    margin-bottom: 20px;
    filter: drop-shadow(0 0 1px rgba(255,255,255,0.9)) drop-shadow(0 0 3px rgba(255,255,255,0.4));
}

.footer-desc {
    font-size: 0.9rem;
    line-height: 1.7;
    opacity: 0.6;
    margin-bottom: 20px;
}

.footer-social { display: flex; gap: 12px; }
.footer-social a {
    color: rgba(255, 255, 255, 0.5);
    transition: color var(--transition);
}
.footer-social a:hover { color: var(--color-accent); }

.footer-col h4 {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent);
    margin-bottom: 20px;
}

.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition);
}
.footer-col a:hover { color: #fff; }
.footer-col li:not(:has(a)) {
    font-size: 0.88rem;
    opacity: 0.6;
}

.footer-bottom {
    padding: 24px 0;
    text-align: center;
    font-size: 0.8rem;
    opacity: 0.4;
}

/* ============================================
   LINKEDIN POSTS GRID
   ============================================ */
.linkedin-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    text-align: left;
    margin-top: 40px;
}

.li-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border-radius: var(--radius-lg, 20px);
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    border: 1px solid var(--color-border, #e8edf3);
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

.li-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.li-card-img {
    height: 180px;
    overflow: hidden;
    background: #0a66c2;
    display: flex;
    align-items: center;
    justify-content: center;
}

.li-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.li-card:hover .li-card-img img {
    transform: scale(1.05);
}

.li-card-img-empty {
    background: linear-gradient(135deg, #0a66c2, #004182);
}

.li-card-body {
    padding: 20px 22px 22px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
}

.li-card-date {
    font-size: 0.75rem;
    color: var(--color-text-light, #8899aa);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.li-card-excerpt {
    font-size: 0.9rem;
    color: var(--color-text, #4a5568);
    line-height: 1.6;
    margin: 0;
    flex: 1;
}

.li-card-link {
    color: #0a66c2;
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: 4px;
}

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

@media (max-width: 600px) {
    .linkedin-grid { grid-template-columns: 1fr; }
}

/* ============================================
   LINKEDIN FOLLOW BUTTON
   ============================================ */
.linkedin-follow-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    background: #0a66c2;
    color: #fff;
    border-radius: 9999px;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.linkedin-follow-btn:hover {
    background: #004182;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(10, 102, 194, 0.3);
}

/* ============================================
   BLOG CARDS GRID (Homepage)
   ============================================ */
.blog-cards-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.blog-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border-radius: var(--radius-lg, 20px);
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    border: 1px solid var(--color-border, #e8edf3);
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

.blog-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.blog-card {
    flex-direction: row;
}

.blog-card-thumb {
    width: 180px;
    min-height: 140px;
    flex-shrink: 0;
    overflow: hidden;
}

.blog-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.blog-card:hover .blog-card-thumb img {
    transform: scale(1.05);
}

.blog-card-body {
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
}

.blog-card-body h3 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-dark, #0d1b2a);
    line-height: 1.4;
    margin: 0;
}

.blog-card-body p {
    font-size: 0.82rem;
    color: var(--color-text, #4a5568);
    line-height: 1.5;
    margin: 0;
    flex: 1;
}

.blog-card-date {
    font-size: 0.8rem;
    color: var(--color-text-light, #8899aa);
    margin-top: 8px;
}

.btn-outline {
    display: inline-block;
    padding: 12px 32px;
    border: 2px solid var(--color-primary, #133c5e);
    color: var(--color-primary, #133c5e);
    border-radius: 9999px;
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-outline:hover {
    background: var(--color-primary, #133c5e);
    color: #fff;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .research-layout { grid-template-columns: 1fr; gap: 40px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .cta-content { grid-template-columns: 1fr; }
    .blog-cards-grid { grid-template-columns: 1fr; gap: 16px; }
    .blog-card { flex-direction: column; }
    .blog-card-thumb { width: 100%; min-height: 120px; }
}

@media (max-width: 768px) {
    .site-header {
        width: calc(100% - 24px);
        top: 8px;
        border-radius: var(--radius-md);
    }

    .mobile-menu-toggle { display: flex; }
    .btn-nav { display: none; }

    .main-nav {
        position: fixed;
        top: 100px;
        left: 12px;
        right: 12px;
        background: rgba(10, 22, 40, 0.95);
        backdrop-filter: blur(20px);
        border: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: var(--radius-md);
        padding: 16px;
        transform: translateY(-20px);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition);
    }

    .main-nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-list { flex-direction: column; gap: 0; }
    .nav-item > a { padding: 12px 16px; }

    .dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        border: none;
        padding-left: 16px;
        background: transparent;
        backdrop-filter: none;
    }

    .hero { padding: 140px 20px 60px; min-height: auto; }
    .hero h1 { font-size: 2rem; }
    .hero { text-align: center; justify-content: center; }
    .hero-content { margin-left: 0; max-width: 100%; }
    .hero-planet { display: none; }
    .hero-subtitle { margin: 0 auto 36px; }
    .hero-buttons { justify-content: center; }
    .hero-scroll-indicator { display: none; }

    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
    .stat-number { font-size: 2rem; }

    .services-grid { grid-template-columns: 1fr; }
    .news-grid { grid-template-columns: 1fr; gap: 32px; }
    .news-image img { max-height: 300px; margin: 0 auto; }
    .blog-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }

    .marquee-item { font-size: 1rem; }
}

@media (max-width: 480px) {
    .header-inner { height: 72px; padding: 0 16px; }
    .logo-img { height: 56px; }
    .section { padding: 64px 0; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
}