/* ==========================================================================
   ARCADIA LETTURE - SYSTEM DESIGN STYLESHEET
   Aesthetics: Premium, Modern, Clean, Technological
   Fonts: Outfit (Headings), Plus Jakarta Sans (Body text)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

/* --- CUSTOM VARIABLES & DESIGN TOKENS --- */
:root {
    /* Color Palette */
    --primary-blue: #0284c7;       /* Representing Water (Acqua) */
    --primary-orange: #ea580c;     /* Representing Heat (Calore) */
    --primary-dark: #0f172a;       /* Slate Dark (Deep blue/grey) */
    --primary-light: #f8fafc;      /* Slate Light */
    --accent-teal: #0d9488;        /* For eco-friendly LoRaWAN/efficiency themes */
    
    --bg-white: #ffffff;
    --border-light: #e2e8f0;
    
    /* Text Colors */
    --text-dark: #0f172a;
    --text-muted: #475569;
    --text-white: #ffffff;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.05);
    --shadow-md: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -2px rgba(15, 23, 42, 0.04);
    --shadow-lg: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 10px 10px -5px rgba(15, 23, 42, 0.04);
    --shadow-blue: 0 10px 20px -5px rgba(2, 132, 199, 0.2);
    
    /* Border Radii */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- RESET & GLOBAL BASE --- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--primary-light);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

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

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

/* --- UTILITY COMPONENTS --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 80px 0;
}

.section-title-wrapper {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 50px;
}

.section-tag {
    font-family: 'Outfit', sans-serif;
    font-size: 0.8rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary-blue);
    background-color: #e0f2fe;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    display: inline-block;
    margin-bottom: 16px;
}

.section-title {
    font-size: 2.2rem;
    color: var(--primary-dark);
    margin-bottom: 16px;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.05rem;
}

/* --- BUTTONS --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
    border: none;
    outline: none;
}

.btn-blue {
    background-color: var(--primary-blue);
    color: var(--text-white);
    box-shadow: var(--shadow-blue);
}

.btn-blue:hover {
    background-color: #0369a1;
    transform: translateY(-2px);
}

.btn-orange {
    background-color: var(--primary-orange);
    color: var(--text-white);
    box-shadow: 0 10px 20px -5px rgba(234, 88, 12, 0.2);
}

.btn-orange:hover {
    background-color: #c2410c;
    transform: translateY(-2px);
}

.btn-dark {
    background-color: var(--primary-dark);
    color: var(--text-white);
}

.btn-dark:hover {
    background-color: #1e293b;
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-dark);
    border: 2px solid var(--border-light);
}

.btn-outline:hover {
    border-color: var(--primary-dark);
    background-color: rgba(15, 23, 42, 0.02);
}

/* ==========================================================================
   LAYOUT PARTS
   ========================================================================== */

/* --- HEADER / NAVIGATION --- */
.header {
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-light);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition-fast);
}

.header.scrolled {
    padding: 10px 0;
    box-shadow: var(--shadow-sm);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Logo Area */
.logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 48px;
    height: 48px;
    object-fit: contain;
}

.logo-text-wrapper {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-size: 1.4rem;
    font-weight: 900;
    color: var(--primary-dark);
    line-height: 1;
    letter-spacing: -0.03em;
}

.logo-subtitle {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 2px;
}

/* Nav Menu */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 24px;
    list-style: none;
}

.nav-link {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-muted);
    position: relative;
    padding: 6px 0;
}

.nav-link:hover {
    color: var(--primary-blue);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-blue);
    transition: var(--transition-fast);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.menu-toggle {
    display: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--primary-dark);
}

/* --- HERO SECTION --- */
.hero {
    padding: 100px 0 80px;
    background: radial-gradient(circle at 80% 20%, #e0f2fe 0%, transparent 50%),
                radial-gradient(circle at 10% 80%, #ffedd5 0%, transparent 50%);
    position: relative;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    max-width: 620px;
}

.hero-title {
    font-size: 3.2rem;
    font-weight: 900;
    color: var(--primary-dark);
    margin-bottom: 24px;
    line-height: 1.1;
}

.hero-title span {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 36px;
    line-height: 1.7;
}

.hero-ctas {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    border-top: 1px solid var(--border-light);
    padding-top: 30px;
}

.stat-item h3 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-dark);
    margin-bottom: 4px;
}

.stat-item h3 span {
    color: var(--primary-blue);
}

.stat-item p {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

/* Hero graphic */
.hero-graphic {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-graphic-circle {
    position: absolute;
    width: 380px;
    height: 380px;
    background: linear-gradient(135deg, rgba(2, 132, 199, 0.1) 0%, rgba(234, 88, 12, 0.1) 100%);
    border-radius: 50%;
    z-index: 1;
    filter: blur(20px);
}

.hero-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: var(--radius-lg);
    padding: 30px;
    width: 100%;
    max-width: 440px;
    box-shadow: var(--shadow-lg);
    z-index: 2;
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: var(--transition-normal);
}

.hero-card:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg) translateY(-5px);
}

.hero-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.hero-card-logo {
    display: flex;
    align-items: center;
    gap: 8px;
}

.hero-card-logo-img {
    width: 32px;
    height: 32px;
}

.hero-card-logo-text {
    font-weight: 800;
    font-size: 1rem;
}

.hero-card-status {
    background-color: #f0fdf4;
    color: #166534;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    gap: 4px;
}

.hero-card-status::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    background-color: #22c55e;
    border-radius: 50%;
}

.hero-card-feature {
    display: flex;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}

.hero-card-feature:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.hero-card-icon {
    width: 40px;
    height: 40px;
    background-color: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.hero-card-feature.orange .hero-card-icon {
    color: var(--primary-orange);
}

.hero-card-info h4 {
    font-size: 0.95rem;
    margin-bottom: 2px;
    color: var(--primary-dark);
}

.hero-card-info p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* --- SERVICES SECTION (4 RESOURCES) --- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.service-card {
    background-color: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 36px 24px;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: var(--border-light);
    transition: var(--transition-fast);
}

.service-card.blue::before { background-color: var(--primary-blue); }
.service-card.orange::before { background-color: var(--primary-orange); }
.service-card.teal::before { background-color: var(--accent-teal); }
.service-card.red::before { background-color: #dc2626; }

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.service-icon-box {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin-bottom: 24px;
    transition: var(--transition-fast);
}

.service-card.blue .service-icon-box { background-color: #e0f2fe; color: var(--primary-blue); }
.service-card.orange .service-icon-box { background-color: #ffedd5; color: var(--primary-orange); }
.service-card.teal .service-icon-box { background-color: #f0fdfa; color: var(--accent-teal); }
.service-card.red .service-icon-box { background-color: #fee2e2; color: #dc2626; }

.service-card:hover .service-icon-box {
    transform: scale(1.1);
}

.service-title {
    font-size: 1.25rem;
    color: var(--primary-dark);
    margin-bottom: 12px;
}

.service-desc {
    color: var(--text-muted);
    font-size: 0.88rem;
    line-height: 1.5;
    margin-bottom: 20px;
    flex-grow: 1;
}

.service-link {
    font-size: 0.88rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--primary-dark);
}

.service-card.blue .service-link { color: var(--primary-blue); }
.service-card.orange .service-link { color: var(--primary-orange); }
.service-card.teal .service-link { color: var(--accent-teal); }
.service-card.red .service-link { color: #dc2626; }

.service-link i {
    transition: var(--transition-fast);
}

.service-card:hover .service-link i {
    transform: translateX(4px);
}

/* --- LORAWAN TECHNOLOGY SECTION --- */
.lorawan {
    background-color: var(--bg-white);
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}

.lorawan-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.lorawan-steps {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-top: 20px;
}

.lorawan-step {
    display: flex;
    gap: 20px;
}

.step-num {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: #f0fdfa;
    border: 2px solid var(--accent-teal);
    color: var(--accent-teal);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-family: 'Outfit', sans-serif;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.step-info h3 {
    font-size: 1.15rem;
    color: var(--primary-dark);
    margin-bottom: 6px;
}

.step-info p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
}

.lorawan-img-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.lorawan-img {
    width: 100%;
    height: auto;
    object-fit: cover;
    transition: var(--transition-normal);
}

.lorawan-img-wrapper:hover .lorawan-img {
    transform: scale(1.03);
}

.lorawan-badge {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background-color: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: var(--text-white);
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 700;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* --- PORTAL SHOWCASE SECTION (TABS) --- */
.showcase {
    background-color: var(--primary-light);
}

.showcase-tabs {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 50px;
}

.showcase-tab-btn {
    background-color: var(--bg-white);
    border: 1px solid var(--border-light);
    color: var(--text-muted);
    padding: 12px 28px;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: var(--shadow-sm);
}

.showcase-tab-btn.active {
    background-color: var(--primary-dark);
    color: var(--text-white);
    border-color: var(--primary-dark);
    box-shadow: var(--shadow-md);
}

.showcase-tab-btn.active.blue-tab {
    background-color: var(--primary-blue);
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-blue);
}

.showcase-panel {
    display: none;
    animation: fadeIn 0.4s ease-in-out forwards;
}

.showcase-panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

.portal-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.portal-layout.reverse {
    grid-template-columns: 1fr 1fr;
}

.portal-info h3 {
    font-size: 1.8rem;
    color: var(--primary-dark);
    margin-bottom: 16px;
}

.portal-info .portal-lead {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-bottom: 30px;
}

.portal-bullets {
    display: grid;
    gap: 24px;
}

.portal-bullet {
    display: flex;
    gap: 16px;
}

.bullet-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #e0f2fe;
    color: var(--primary-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    flex-shrink: 0;
}

.showcase-panel.admin-panel .bullet-icon {
    background-color: #f0fdfa;
    color: var(--accent-teal);
}

.bullet-details h4 {
    font-size: 1.05rem;
    color: var(--primary-dark);
    margin-bottom: 4px;
}

.bullet-details p {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* SMARTPHONE MOCKUP SYSTEM */
.mockup-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.phone-mockup {
    width: 290px;
    height: 580px;
    background-color: #1e293b;
    border: 10px solid #020617;
    border-radius: 38px;
    position: relative;
    box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.25);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.phone-notch {
    width: 120px;
    height: 18px;
    background-color: #020617;
    border-bottom-left-radius: 12px;
    border-bottom-right-radius: 12px;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: 20;
}

.phone-screen {
    width: 100%;
    height: 100%;
    position: relative;
    background-color: #f1f5f9;
}

.screen-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* CENSORSHIP OVERLAY SYSTEM (PRIVACY) */
.censor-overlay {
    position: absolute;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: 4px;
    pointer-events: none;
    transition: opacity 0.3s ease;
    opacity: 1;
    z-index: 10;
}

/* Specifically mapped coordinates for admin mockup censorship */
.admin-mockup-screen .censor-overlay-names {
    top: 40px;
    left: 70px;
    width: 80px;
    height: 270px;
}

.admin-mockup-screen .censor-overlay-dash {
    top: 334px;
    left: 76px;
    width: 84px;
    height: 70px;
}

/* When censorship is toggled off */
.privacy-disabled .censor-overlay {
    opacity: 0 !important;
}

/* Thumbnail slider */
.mockup-controls {
    display: flex;
    gap: 8px;
    margin-top: 20px;
    max-width: 300px;
    overflow-x: auto;
    padding: 4px;
    scrollbar-width: none;
}

.mockup-controls::-webkit-scrollbar {
    display: none;
}

.control-thumb {
    width: 44px;
    height: 72px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 2px solid transparent;
    cursor: pointer;
    opacity: 0.4;
    transition: var(--transition-fast);
    flex-shrink: 0;
}

.control-thumb:hover {
    opacity: 0.7;
}

.control-thumb.active {
    border-color: var(--primary-blue);
    opacity: 1;
    transform: scale(1.05);
}

.control-thumb.active.teal-thumb {
    border-color: var(--accent-teal);
}

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

.mockup-caption {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    text-align: center;
    margin-top: 12px;
    min-height: 40px;
    max-width: 280px;
    line-height: 1.4;
}

/* Admin Censorship Floating Bar */
.privacy-bar {
    background-color: var(--primary-dark);
    color: var(--text-white);
    border-radius: var(--radius-full);
    padding: 10px 20px;
    display: inline-flex;
    align-items: center;
    gap: 16px;
    margin-top: 24px;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.privacy-bar-text {
    font-size: 0.85rem;
    font-weight: 700;
}

.privacy-toggle {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
}

.privacy-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.privacy-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #475569;
    transition: 0.3s;
    border-radius: 24px;
}

.privacy-slider::before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
}

.privacy-toggle input:checked + .privacy-slider {
    background-color: var(--accent-teal);
}

.privacy-toggle input:checked + .privacy-slider::before {
    transform: translateX(20px);
}

/* --- CONTACT SECTION --- */
.contact {
    background-color: var(--bg-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 60px;
    align-items: start;
}

.contact-details {
    padding-right: 20px;
}

.contact-title {
    font-size: 2.2rem;
    color: var(--primary-dark);
    margin-bottom: 20px;
}

.contact-lead {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-bottom: 40px;
}

.contact-info-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-info-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-info-icon {
    width: 48px;
    height: 48px;
    background-color: #e0f2fe;
    color: var(--primary-blue);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}

.contact-info-text h4 {
    font-size: 1rem;
    color: var(--primary-dark);
    margin-bottom: 2px;
}

.contact-info-text p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.contact-info-text a:hover {
    color: var(--primary-blue);
}

/* Contact Form */
.contact-form-wrapper {
    background-color: var(--primary-light);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-md);
}

.form-title {
    font-size: 1.4rem;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.form-subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 28px;
}

.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-light);
    background-color: var(--bg-white);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--primary-dark);
    transition: var(--transition-fast);
    outline: none;
}

.form-control:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.form-check {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.form-check input {
    margin-top: 4px;
}

.form-check a {
    color: var(--primary-blue);
    font-weight: 600;
}

.form-check a:hover {
    text-decoration: underline;
}

/* --- FOOTER --- */
.footer {
    background-color: var(--primary-dark);
    color: #94a3b8;
    padding: 60px 0 30px;
    border-top: 1px solid #1e293b;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 50px;
}

.footer-brand {
    max-width: 320px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-logo-img {
    width: 44px;
    height: 44px;
    filter: brightness(0) invert(1);
}

.footer-logo-text {
    color: var(--text-white);
    font-size: 1.3rem;
    font-weight: 800;
    line-height: 1;
}

.footer-logo-sub {
    font-size: 0.7rem;
    color: #64748b;
    font-weight: 700;
    text-transform: uppercase;
}

.footer-brand-desc {
    font-size: 0.85rem;
    line-height: 1.6;
}

.footer-title {
    color: var(--text-white);
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 24px;
    position: relative;
    padding-bottom: 8px;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--primary-blue);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-link {
    font-size: 0.88rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition-fast);
}

.footer-link:hover {
    color: var(--text-white);
    transform: translateX(4px);
}

.footer-bottom {
    border-top: 1px solid #1e293b;
    padding-top: 30px;
    text-align: center;
    font-size: 0.8rem;
}

.footer-bottom p {
    margin-bottom: 8px;
}

/* ==========================================================================
   RESPONSIVENESS (MEDIA QUERIES)
   ========================================================================== */

@media (max-width: 1150px) {
    /* Navigation */
    .menu-toggle {
        display: block;
        order: 2;
    }
    .nav-actions {
        order: 3;
    }
    .nav-menu {
        display: none; /* Will toggle via JS class */
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--bg-white);
        border-bottom: 1px solid var(--border-light);
        flex-direction: column;
        gap: 0;
        padding: 10px 0;
        box-shadow: var(--shadow-md);
    }
    .nav-menu.active {
        display: flex;
    }
    .nav-menu li {
        width: 100%;
        text-align: center;
    }
    .nav-link {
        display: block;
        padding: 14px 0;
        width: 100%;
    }
    .nav-link::after {
        display: none;
    }
    .nav-actions .btn {
        padding: 8px 18px;
        font-size: 0.85rem;
    }
    .nav-actions .btn-outline {
        display: none; /* Hide secondary button in mobile nav */
    }
}

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

@media (max-width: 768px) {
    /* Base */
    .section {
        padding: 60px 0;
    }
    .section-title {
        font-size: 1.85rem;
    }
    
    /* Hero */
    .hero {
        padding: 60px 0;
    }
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    .hero-content {
        margin: 0 auto;
    }
    .hero-title {
        font-size: 2.2rem;
    }
    .hero-ctas {
        justify-content: center;
    }
    .hero-graphic {
        order: -1; /* Graphic on top in mobile */
    }
    .hero-card {
        margin: 0 auto;
        transform: none;
    }
    .hero-card:hover {
        transform: translateY(-5px);
    }
    
    /* Lorawan Technology */
    .lorawan-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .lorawan-img-wrapper {
        order: -1;
    }
    
    /* Portal tabs */
    .showcase-tabs {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }
    .showcase-tab-btn {
        width: 100%;
        max-width: 320px;
        justify-content: center;
    }
    .portal-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .portal-layout.reverse {
        grid-template-columns: 1fr;
    }
    .portal-layout.reverse .mockup-wrapper {
        order: -1;
    }
    .portal-info {
        text-align: center;
    }
    .portal-bullet {
        text-align: left;
    }
    .privacy-bar {
        width: 100%;
        justify-content: space-between;
    }
    
    /* Contact */
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .contact-form-wrapper {
        padding: 30px 20px;
    }
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    /* Footer */
    .footer-top {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    .footer-brand {
        margin: 0 auto;
    }
    .footer-title::after {
        left: 50%;
        transform: translateX(-50%);
    }
    .footer-link {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    .hero-title {
        font-size: 1.95rem;
    }
}