/* ============================================
   VektorIQ - Premium Refinement
   Professional | Technical | Commercial
   ============================================ */

:root {
    /* Brand Colors */
    --deep-teal: #0F3D4C;
    --deep-teal-light: #1a5a70;
    --teal-dark: #092d3a;
    --earth-brown: #8C5E3C;
    --soft-sand: #F4F1EC;
    --sand-light: #FAF9F7;
    --muted-green: #5E8C61;
    --steel-blue: #3A6F8F;
    --light-grey: #E8E8E8;
    --border: #E0E0E0;
    
    /* Accent */
    --signal-orange: #F59E0B;
    --orange-hover: #d4880a;
    
    /* Functional */
    --white: #FFFFFF;
    --text-primary: #1A1A1A;
    --text-secondary: #4A5568;
    --text-muted: #718096;
    
    /* Typography */
    --font-heading: 'Montserrat', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, sans-serif;
    
    /* Spacing */
    --section-padding: 7rem 2rem;
    --container-max: 1120px;
    
    /* Transitions */
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.65;
    color: var(--text-secondary);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--deep-teal);
}

h1 { font-size: 3.25rem; letter-spacing: -0.03em; }
h2 { font-size: 2rem; letter-spacing: -0.02em; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.1rem; }

p { margin-bottom: 0; }

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

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

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 2rem;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(15, 61, 76, 0.06);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 76px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.875rem;
}

.logo-img {
    height: 38px;
    width: auto;
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    color: var(--deep-teal);
    letter-spacing: 3px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.75rem;
    align-items: center;
}

.nav-links a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 0.01em;
}

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

.nav-cta {
    background: var(--deep-teal) !important;
    color: var(--white) !important;
    padding: 0.65rem 1.375rem;
    border-radius: 4px;
    font-weight: 500 !important;
}

.nav-cta:hover {
    background: var(--deep-teal-light) !important;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    width: 32px;
    height: 32px;
    cursor: pointer;
    position: relative;
}

.mobile-menu-btn span,
.mobile-menu-btn span::before,
.mobile-menu-btn span::after {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--deep-teal);
    position: absolute;
    left: 5px;
    transition: var(--transition);
}

.mobile-menu-btn span { top: 15px; }
.mobile-menu-btn span::before { content: ''; top: -7px; }
.mobile-menu-btn span::after { content: ''; top: 7px; }

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8rem 2rem 6rem;
    background: linear-gradient(168deg, var(--sand-light) 0%, var(--soft-sand) 60%, var(--white) 100%);
}

.hero-bg {
    position: absolute;
    inset: 0;
    opacity: 0.035;
    background-image: 
        radial-gradient(ellipse at 30% 20%, rgba(15, 61, 76, 0.08) 0%, transparent 50%),
        url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 5 Q45 20 30 35 T30 60' fill='none' stroke='%230F3D4C' stroke-width='0.5'/%3E%3Cpath d='M10 10 Q25 25 10 40 T10 70' fill='none' stroke='%230F3D4C' stroke-width='0.5'/%3E%3Cpath d='M50 0 Q35 15 50 30 T50 60' fill='none' stroke='%230F3D4C' stroke-width='0.5'/%3E%3C/svg%3E");
    background-size: 180px 180px;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 780px;
    text-align: center;
}

.hero-logo {
    max-width: 200px;
    margin-bottom: 2.75rem;
    opacity: 0;
    animation: fadeInUp 0.9s ease-out 0.2s forwards;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    letter-spacing: -0.04em;
    opacity: 0;
    animation: fadeInUp 0.9s ease-out 0.4s forwards;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 3rem;
    line-height: 1.75;
    opacity: 0;
    animation: fadeInUp 0.9s ease-out 0.55s forwards;
}

.hero-ctas {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 4rem;
    opacity: 0;
    animation: fadeInUp 0.9s ease-out 0.7s forwards;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4.5rem;
    padding-top: 2.5rem;
    border-top: 1px solid var(--border);
    opacity: 0;
    animation: fadeInUp 0.9s ease-out 0.85s forwards;
}

.stat { text-align: center; }

.stat-value {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--deep-teal);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-top: 0.25rem;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.25rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    border-radius: 4px;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
    letter-spacing: 0.02em;
}

.btn-primary {
    background: var(--deep-teal);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--deep-teal-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(15, 61, 76, 0.22);
}

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

.btn-outline:hover {
    background: var(--deep-teal);
    color: var(--white);
}

.btn-orange {
    background: var(--signal-orange);
    color: var(--white);
    font-size: 0.95rem;
    padding: 1.1rem 2.75rem;
}

.btn-orange:hover {
    background: var(--orange-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(245, 158, 11, 0.28);
}

/* ============================================
   Sections
   ============================================ */
.section {
    padding: var(--section-padding);
}

.section-alt {
    background: var(--sand-light);
}

.section-dark {
    background: var(--deep-teal);
}

.section-cta {
    background: linear-gradient(140deg, var(--deep-teal) 0%, var(--teal-dark) 100%);
}

.section-header {
    text-align: center;
    max-width: 520px;
    margin: 0 auto 4rem;
}

.section-label {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--signal-orange);
    margin-bottom: 1rem;
}

.section-label-light {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: rgba(255,255,255,0.45);
    margin-bottom: 1rem;
}

.section-title {
    margin-bottom: 1rem;
}

.section-title-light {
    color: var(--white);
    margin-bottom: 1rem;
}

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

/* ============================================
   Services Section
   ============================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.service-card {
    background: var(--white);
    padding: 2.75rem 2.25rem;
    border-radius: 6px;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--deep-teal);
    box-shadow: 0 20px 56px rgba(15, 61, 76, 0.1);
    transform: translateY(-8px);
}

.service-icon {
    width: 52px;
    height: 52px;
    color: var(--deep-teal);
    margin-bottom: 1.75rem;
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-card h3 {
    margin-bottom: 1rem;
}

.service-outcome {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 1.75rem;
    line-height: 1.65;
}

.service-features {
    list-style: none;
}

.service-features li {
    font-size: 0.85rem;
    color: var(--text-muted);
    padding: 0.6rem 0;
    border-top: 1px solid var(--border);
}

.service-features li:first-child {
    border-top: none;
}

/* ============================================
   Capability Section
   ============================================ */
.capability-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.capability-card {
    background: var(--white);
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.capability-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 56px rgba(15, 61, 76, 0.1);
    border-color: var(--deep-teal);
}

.capability-visual {
    aspect-ratio: 16/10;
    background: var(--soft-sand);
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.visual-placeholder svg {
    width: 80%;
    max-width: 160px;
    height: auto;
}

.visual-placeholder span {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
}

.capability-content {
    padding: 1.75rem;
}

.capability-content h4 {
    margin-bottom: 0.75rem;
}

.capability-content p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ============================================
   Process Section
   ============================================ */
.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2.5rem;
}

.process-step {
    position: relative;
    text-align: center;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: var(--deep-teal);
    color: var(--white);
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 700;
    border-radius: 50%;
    margin-bottom: 1.5rem;
}

.step-content h4 {
    margin-bottom: 0.75rem;
}

.step-content p {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.65;
}

/* ============================================
   Use Case Section
   ============================================ */
.usecase-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.usecase-content .section-label {
    text-align: left;
}

.usecase-content .section-title {
    text-align: left;
    margin-bottom: 1.5rem;
}

.usecase-intro {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 2.25rem;
    line-height: 1.75;
}

.usecase-benefits {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

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

.benefit svg {
    width: 22px;
    height: 22px;
    color: var(--muted-green);
    flex-shrink: 0;
    margin-top: 2px;
}

.benefit span {
    font-size: 0.975rem;
    color: var(--text-primary);
    line-height: 1.5;
}

/* Use Case Visual Card */
.usecase-visual {
    position: relative;
}

.usecase-card {
    background: var(--white);
    border-radius: 8px;
    border: 1px solid var(--border);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(15, 61, 76, 0.1);
}

.usecase-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
    background: var(--sand-light);
}

.card-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
}

.card-status {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted-green);
    background: rgba(94, 140, 97, 0.1);
    padding: 0.3rem 0.75rem;
    border-radius: 20px;
}

.usecase-card-body {
    padding: 1.5rem;
}

.layout-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    aspect-ratio: 4/3;
}

.zone {
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.zone-industrial {
    background: var(--deep-teal);
    color: var(--white);
}

.zone-office {
    background: var(--steel-blue);
    color: var(--white);
}

.zone-logistics {
    background: var(--earth-brown);
    color: var(--white);
}

.zone-green {
    background: rgba(94, 140, 97, 0.2);
    color: var(--muted-green);
    border: 1px dashed var(--muted-green);
}

.usecase-card-footer {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--border);
}

.metric {
    padding: 1.25rem 1rem;
    text-align: center;
    border-right: 1px solid var(--border);
}

.metric:last-child {
    border-right: none;
}

.m-value {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--deep-teal);
}

.m-label {
    display: block;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* ============================================
   Markets Section
   ============================================ */
.markets-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.market-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    padding: 2.25rem 1.75rem;
    border-radius: 6px;
    text-align: center;
    transition: var(--transition);
}

.market-card:hover {
    background: rgba(255,255,255,0.08);
    transform: translateY(-4px);
}

.market-icon {
    width: 48px;
    height: 48px;
    color: var(--signal-orange);
    margin: 0 auto 1.5rem;
}

.market-icon svg {
    width: 100%;
    height: 100%;
}

.market-card h3 {
    color: var(--white);
    margin-bottom: 0.875rem;
}

.market-card p {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.55);
    line-height: 1.6;
}

/* ============================================
   Why Section
   ============================================ */
.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.why-card {
    text-align: center;
    padding: 2.5rem 1.75rem;
    background: var(--white);
    border-radius: 6px;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.why-card:hover {
    border-color: var(--deep-teal);
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(15, 61, 76, 0.1);
}

.why-metric {
    margin-bottom: 1.5rem;
}

.metric-value {
    font-family: var(--font-heading);
    font-size: 2.75rem;
    font-weight: 700;
    color: var(--deep-teal);
    line-height: 1;
}

.metric-suffix {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    margin-top: 0.375rem;
}

.why-card h4 {
    margin-bottom: 0.875rem;
}

.why-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.65;
}

/* ============================================
   CTA Section
   ============================================ */
.cta-content {
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}

.cta-content h2 {
    color: var(--white);
    margin-bottom: 1.125rem;
}

.cta-content > p {
    color: rgba(255,255,255,0.65);
    font-size: 1.05rem;
    margin-bottom: 2.75rem;
}

.cta-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2rem;
}

.contact-details {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    color: rgba(255,255,255,0.45);
    font-size: 0.875rem;
}

.contact-details a {
    color: var(--white);
    font-weight: 500;
}

.contact-details a:hover {
    color: var(--signal-orange);
}

.divider { opacity: 0.25; }

/* ============================================
   Trust Section
   ============================================ */
.trust-section {
    background: var(--sand-light);
    padding: 3.5rem 2rem;
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
}

.trust-item {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.trust-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-muted);
}

.trust-value {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--deep-teal);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--teal-dark);
    padding: 4rem 0 2.5rem;
}

.footer-main {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    margin-bottom: 2rem;
}

.footer-brand {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.footer-logo {
    height: 40px;
    flex-shrink: 0;
}

.footer-brand-text {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.footer-name {
    display: block;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    color: var(--white);
    letter-spacing: 2.5px;
}

.footer-tagline {
    font-size: 0.75rem;
    color: rgba(255,255,255,0.4);
    line-height: 1.4;
}

.footer-nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-nav-col {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-nav-col h5 {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: rgba(255,255,255,0.4);
    margin-bottom: 0.25rem;
}

.footer-nav-col a {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.6);
    transition: var(--transition);
}

.footer-nav-col a:hover {
    color: var(--white);
}

.footer-location {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.4);
}

.footer-links {
    display: flex;
    gap: 2.75rem;
}

.footer-links a {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.45);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    font-size: 0.775rem;
    color: rgba(255,255,255,0.28);
    margin: 0;
}

.footer-bottom a {
    color: rgba(255,255,255,0.4);
}

.footer-bottom a:hover {
    color: var(--white);
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(28px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
    .services-grid,
    .process-grid,
    .why-grid,
    .capability-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .markets-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .usecase-layout {
        grid-template-columns: 1fr;
        gap: 3.5rem;
    }
    
    .trust-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2.25rem; }
    h2 { font-size: 1.75rem; }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 76px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 1.5rem;
        gap: 1rem;
        border-bottom: 1px solid var(--border);
        box-shadow: 0 12px 32px rgba(0,0,0,0.08);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-btn { display: block; }
    
    .hero {
        padding: 6rem 1.5rem 4rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.75rem;
    }
    
    .hero-ctas {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .services-grid,
    .process-grid,
    .markets-grid,
    .why-grid,
    .capability-grid,
    .trust-grid {
        grid-template-columns: 1fr;
    }
    
    .section {
        padding: 5rem 1.5rem;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        text-align: center;
    }
    
    .footer-brand {
        justify-content: center;
    }
    
    .footer-nav {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-nav-col {
        align-items: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}