/* ============================================================
   LEMU Technologies — Global Design System
   Enterprise Premium Dark/Light UI
   ============================================================ */

/* ---------- CSS Custom Properties (Design Tokens) ---------- */
:root {
 /* Brand Colors */
 --color-primary:        #0a192f;   /* Deep navy */
 --color-primary-mid:    #112240;
 --color-primary-light:  #1e3a5f;
 --color-accent:         #eb8814;   /* Logo orange dominant color */
 --color-accent-warm:    #f5b041;   /* Lighter orange */
 --color-accent-blue:    #3498db;   /* Complementary blue */

    /* UI Colors */
    --color-bg:             #0a0f1e;
    --color-bg-card:        rgba(17, 34, 64, 0.85);
    --color-bg-glass:       rgba(255, 255, 255, 0.04);
    --color-border:         rgba(100, 255, 218, 0.12);
    --color-border-hover:   rgba(100, 255, 218, 0.35);

    /* Text */
    --color-text-primary:   #ccd6f6;
    --color-text-secondary: #8892b0;
    --color-text-muted:     #495670;
    --color-text-white:     #e6f1ff;
    --color-heading:        #e6f1ff;

    /* Typography */
    --font-sans:    'Inter', system-ui, -apple-system, sans-serif;
    --font-display: 'Space Grotesk', 'Inter', sans-serif;
    --font-mono:    'JetBrains Mono', 'Fira Code', monospace;

    /* Spacing Scale */
    --space-1:  0.25rem;
    --space-2:  0.5rem;
    --space-3:  0.75rem;
    --space-4:  1rem;
    --space-5:  1.25rem;
    --space-6:  1.5rem;
    --space-8:  2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;

    /* Border Radius */
    --radius-sm:  4px;
    --radius-md:  8px;
    --radius-lg:  12px;
    --radius-xl:  20px;
    --radius-2xl: 32px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm:   0 1px 3px rgba(0,0,0,0.4);
    --shadow-md:   0 4px 20px rgba(0,0,0,0.5);
    --shadow-lg:   0 10px 40px rgba(0,0,0,0.6);
    --shadow-glow: 0 0 30px rgba(100, 255, 218, 0.15);
    --shadow-card: 0 8px 32px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.06);

    /* Transitions */
    --transition-fast:   150ms ease;
    --transition-base:   250ms ease;
    --transition-slow:   400ms ease;
    --transition-spring: 300ms cubic-bezier(0.175, 0.885, 0.32, 1.275);

    /* Z-Index Scale */
    --z-base:    0;
    --z-above:   10;
    --z-nav:     100;
    --z-overlay: 200;
    --z-modal:   300;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Site Logo */
.site-logo {
    position: fixed;
    top: var(--space-4);
    left: var(--space-4);
    z-index: var(--z-overlay);
}

.logo-link {
    display: inline-block;
}

.logo-image {
    height: 40px;
    width: auto;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
    transition: transform var(--transition-base);
}

.logo-image:hover {
    transform: scale(1.05);
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    color: var(--color-heading);
    line-height: 1.15;
    letter-spacing: -0.02em;
    font-weight: 700;
}

h1 { font-size: clamp(2.4rem, 6vw, 4.5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); }
h3 { font-size: clamp(1.3rem, 3vw, 1.8rem); }
h4 { font-size: 1.25rem; }

p {
    color: var(--color-text-secondary);
    line-height: 1.75;
    font-size: 1rem;
}

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

a:hover { color: var(--color-text-white); }

/* ---------- App Loading Screen ---------- */
.app-loading {
    position: fixed;
    inset: 0;
    background: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-inner { text-align: center; }

.loading-logo {
    display: flex;
    align-items: center;
    justify-content: center;
}
.loading-logo-img {
    max-width: 180px;
    height: auto;
}



.loading-spinner {
    position: relative;
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-4);
}

.spinner-ring {
    position: absolute;
    inset: 0;
    border: 3px solid transparent;
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.spinner-ring--delay {
    border-top-color: var(--color-accent-warm);
    animation-delay: 0.3s;
    inset: 6px;
}

@keyframes spin { to { transform: rotate(360deg); } }

.loading-text {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* ---------- Layout Utilities ---------- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.container--wide { max-width: 1400px; }
.container--narrow { max-width: 800px; }

.section {
    padding: var(--space-24) 0;
}

.section--alt {
    background: linear-gradient(180deg, transparent 0%, rgba(17,34,64,0.4) 50%, transparent 100%);
}

.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-4);
    padding: var(--space-1) var(--space-3);
    border: 1px solid rgba(100, 255, 218, 0.25);
    border-radius: var(--radius-full);
    background: rgba(100, 255, 218, 0.05);
}

.section-title {
    margin-bottom: var(--space-4);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin-bottom: var(--space-12);
    line-height: 1.8;
}

.text-center { text-align: center; }
.text-center .section-subtitle { margin-left: auto; margin-right: auto; }

.text-accent  { color: var(--color-accent) !important; }
.text-gold    { color: var(--color-accent-warm) !important; }
.text-muted   { color: var(--color-text-muted) !important; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0.75rem 1.75rem;
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    cursor: pointer;
    border: none;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-primary);
    box-shadow: 0 4px 20px rgba(100, 255, 218, 0.25);
}

.btn-primary:hover {
    background: #a8ffee;
    color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(100, 255, 218, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--color-accent);
    border: 1.5px solid var(--color-accent);
}

.btn-outline:hover {
    background: rgba(100, 255, 218, 0.08);
    color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(100, 255, 218, 0.15);
}

.btn-gold {
    background: var(--color-accent-warm);
    color: #0a0f1e;
    box-shadow: 0 4px 20px rgba(244, 197, 66, 0.3);
}

.btn-gold:hover {
    background: #ffd66b;
    color: #0a0f1e;
    transform: translateY(-2px);
}

.btn-lg {
    padding: 1rem 2.25rem;
    font-size: 1rem;
}

.btn-sm {
    padding: 0.5rem 1.25rem;
    font-size: 0.8rem;
}

/* ---------- Cards ---------- */
.card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    transition: all var(--transition-base);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-card);
}

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

/* ---------- Grid Systems ---------- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }

@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ---------- Navbar ---------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-nav);
    transition: all var(--transition-base);
    padding: var(--space-5) 0;
}

.navbar-logo {
    display: inline-block;
    vertical-align: middle;
    margin-right: var(--space-2);
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.brand-text {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-text-white);
    text-decoration: none;
    vertical-align: middle;
}

.navbar--scrolled {
    background: rgba(10, 15, 30, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-3) 0;
    box-shadow: 0 4px 30px rgba(0,0,0,0.4);
}

.navbar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-8);
}

.navbar__brand {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-text-white);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-shrink: 0;
}

.brand-accent { color: var(--color-accent); }

.navbar__nav {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    list-style: none;
}

.navbar__nav li a {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.navbar__nav li a:hover,
.navbar__nav li a.active {
    color: var(--color-accent);
    background: rgba(100, 255, 218, 0.06);
}

.navbar__actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-shrink: 0;
}

/* Mobile menu toggle */
.navbar__toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-text-primary);
    font-size: 1.4rem;
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius-md);
    transition: color var(--transition-fast);
}

.navbar__toggle:hover { color: var(--color-accent); }

/* Mobile menu */
.navbar__mobile {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 15, 30, 0.97);
    backdrop-filter: blur(20px);
    z-index: var(--z-overlay);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-6);
    padding: var(--space-8);
}

.navbar__mobile.open { display: flex; }

.navbar__mobile a {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-primary);
    text-align: center;
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    width: 100%;
}

.navbar__mobile a:hover {
    color: var(--color-accent);
    background: rgba(100, 255, 218, 0.06);
}

.mobile-close {
    position: absolute;
    top: var(--space-5);
    right: var(--space-5);
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.mobile-close:hover { color: var(--color-accent); }

@media (max-width: 900px) {
    .navbar__nav,
    .navbar__actions .btn { display: none; }
    .navbar__toggle { display: block; }
}

/* ---------- Hero Section ---------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding: var(--space-32) 0 var(--space-20);
}

/* Animated mesh background */
.hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    background:
        radial-gradient(ellipse 80% 60% at 50% -10%, rgba(100,255,218,0.08) 0%, transparent 70%),
        radial-gradient(ellipse 60% 40% at 80% 50%, rgba(79,195,247,0.06) 0%, transparent 60%),
        radial-gradient(ellipse 40% 40% at 10% 80%, rgba(244,197,66,0.04) 0%, transparent 50%),
        linear-gradient(180deg, #0a0f1e 0%, #0a192f 50%, #0a0f1e 100%);
}

/* Animated grid */
.hero__grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(100,255,218,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(100,255,218,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 30%, transparent 80%);
    animation: gridFloat 20s ease-in-out infinite;
}

@keyframes gridFloat {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(-10px); }
}

/* Floating orbs */
.hero__orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    animation: orbFloat 12s ease-in-out infinite;
    pointer-events: none;
}

.hero__orb--1 {
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(100,255,218,0.06) 0%, transparent 70%);
    top: -100px; left: -100px;
    animation-delay: 0s;
}

.hero__orb--2 {
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(79,195,247,0.07) 0%, transparent 70%);
    top: 50%; right: -80px;
    animation-delay: 4s;
}

.hero__orb--3 {
    width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(244,197,66,0.05) 0%, transparent 70%);
    bottom: 80px; left: 30%;
    animation-delay: 8s;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33%       { transform: translate(20px, -20px) scale(1.05); }
    66%       { transform: translate(-15px, 15px) scale(0.95); }
}

.hero__content {
    position: relative;
    z-index: 1;
    max-width: 750px;
}

.hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-6);
    padding: var(--space-2) var(--space-4);
    border: 1px solid rgba(100,255,218,0.2);
    border-radius: var(--radius-full);
    background: rgba(100,255,218,0.04);
    backdrop-filter: blur(8px);
    animation: fadeSlideUp 0.8s ease forwards;
}

.hero__eyebrow .dot {
    width: 6px; height: 6px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.5; transform: scale(0.8); }
}

.hero__title {
    margin-bottom: var(--space-6);
    animation: fadeSlideUp 0.8s 0.15s ease both;
}

.hero__title .line-accent {
    display: block;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__tagline {
    font-size: clamp(1rem, 2.5vw, 1.3rem);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-4);
    font-weight: 400;
    animation: fadeSlideUp 0.8s 0.25s ease both;
}

.hero__tagline strong {
    color: var(--color-accent-warm);
    font-weight: 600;
}

.hero__desc {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-10);
    max-width: 560px;
    animation: fadeSlideUp 0.8s 0.35s ease both;
}

.hero__actions {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
    margin-bottom: var(--space-16);
    animation: fadeSlideUp 0.8s 0.45s ease both;
}

.hero__stats {
    display: flex;
    gap: var(--space-10);
    flex-wrap: wrap;
    animation: fadeSlideUp 0.8s 0.55s ease both;
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-border);
}

.hero__stat {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.stat-value {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-heading);
    line-height: 1;
}

.stat-value span { color: var(--color-accent); }

.stat-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.hero__scroll {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-text-muted);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    z-index: 1;
    animation: fadeSlideUp 1s 0.8s ease both;
}

.scroll-arrow {
    width: 24px; height: 38px;
    border: 2px solid var(--color-border);
    border-radius: 12px;
    position: relative;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    width: 6px; height: 6px;
    background: var(--color-accent);
    border-radius: 50%;
    left: 50%; top: 6px;
    transform: translateX(-50%);
    animation: scrollDot 1.8s ease-in-out infinite;
}

@keyframes scrollDot {
    0%   { top: 6px; opacity: 1; }
    100% { top: 22px; opacity: 0; }
}

/* ---------- About Section ---------- */
.about__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.about__visual {
    position: relative;
}

.about__card-stack {
    position: relative;
    height: 380px;
}

.about__card-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-primary-mid), var(--color-primary-light));
    border-radius: var(--radius-2xl);
    border: 1px solid var(--color-border);
    transform: rotate(3deg);
    opacity: 0.5;
}

.about__card-main {
    position: absolute;
    inset: var(--space-4);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.about__metric {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-3) var(--space-4);
    background: rgba(100,255,218,0.04);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.metric-icon {
    width: 40px; height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(100,255,218,0.1);
    border-radius: var(--radius-md);
    color: var(--color-accent);
    font-size: 1rem;
    flex-shrink: 0;
}

.metric-text { display: flex; flex-direction: column; }
.metric-number { font-weight: 700; color: var(--color-heading); font-size: 1.1rem; }
.metric-desc   { font-size: 0.78rem; color: var(--color-text-muted); }

.about__highlights {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-top: var(--space-8);
}

.highlight-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    font-size: 0.95rem;
    color: var(--color-text-secondary);
}

.highlight-item i {
    color: var(--color-accent);
    margin-top: 3px;
    flex-shrink: 0;
}

@media (max-width: 900px) {
    .about__grid { grid-template-columns: 1fr; }
    .about__visual { display: none; }
}

/* ---------- Services Section ---------- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-6);
}

.service-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    transition: all var(--transition-base);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
    cursor: default;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-blue));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

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

.service-card:hover::before { transform: scaleX(1); }

.service-card__icon {
    width: 54px; height: 54px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-5);
    font-size: 1.4rem;
    background: rgba(100,255,218,0.08);
    color: var(--color-accent);
    border: 1px solid rgba(100,255,218,0.15);
    transition: all var(--transition-base);
}

.service-card:hover .service-card__icon {
    background: rgba(100,255,218,0.15);
    transform: scale(1.1);
}

.service-card__icon--gold   { background: rgba(244,197,66,0.08);  color: var(--color-accent-warm); border-color: rgba(244,197,66,0.15); }
.service-card__icon--blue   { background: rgba(79,195,247,0.08);  color: var(--color-accent-blue); border-color: rgba(79,195,247,0.15); }
.service-card__icon--purple { background: rgba(165,120,255,0.08); color: #a578ff;                  border-color: rgba(165,120,255,0.15); }

.service-card__title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-heading);
    margin-bottom: var(--space-3);
}

.service-card__desc {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.65;
}

.service-card__tag {
    display: inline-block;
    margin-top: var(--space-4);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-accent);
    background: rgba(100,255,218,0.06);
    border: 1px solid rgba(100,255,218,0.15);
    padding: 3px 10px;
    border-radius: var(--radius-full);
}

/* ---------- Why Choose Us ---------- */
.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.why-card {
    padding: var(--space-8);
    background: var(--color-bg-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    position: relative;
}

.why-card:hover {
    border-color: var(--color-border-hover);
    background: rgba(100,255,218,0.02);
}

.why-card__number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-4);
    opacity: 0.6;
}

.why-card h4 {
    margin-bottom: var(--space-3);
    font-size: 1.05rem;
}

.why-card p { font-size: 0.9rem; }

@media (max-width: 900px) {
    .why-grid { grid-template-columns: repeat(2, 1fr); }
}

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

/* ---------- Industries ---------- */
.industries-wrapper {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
}

.industry-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-5) var(--space-6);
    background: var(--color-bg-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.industry-item:hover {
    border-color: var(--color-border-hover);
    color: var(--color-text-white);
    background: rgba(100,255,218,0.04);
    transform: translateX(4px);
}

.industry-item i {
    color: var(--color-accent-warm);
    width: 20px;
    text-align: center;
}

@media (max-width: 768px) {
    .industries-wrapper { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
    .industries-wrapper { grid-template-columns: 1fr; }
}

/* ---------- Process Section ---------- */
.process-timeline {
    position: relative;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-4);
    padding-top: var(--space-8);
}

.process-timeline::before {
    content: '';
    position: absolute;
    top: var(--space-8);
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-blue), var(--color-accent-warm));
    opacity: 0.3;
}

.process-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-4);
    position: relative;
}

.process-step__number {
    width: 56px; height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1rem;
    position: relative;
    z-index: 1;
    border: 2px solid var(--color-accent);
    background: var(--color-bg);
    color: var(--color-accent);
    transition: all var(--transition-base);
    box-shadow: 0 0 20px rgba(100,255,218,0.1);
}

.process-step:hover .process-step__number {
    background: var(--color-accent);
    color: var(--color-primary);
    box-shadow: 0 0 30px rgba(100,255,218,0.3);
}

.process-step__icon {
    font-size: 1.4rem;
    color: var(--color-accent);
    margin-bottom: var(--space-2);
    opacity: 0.8;
}

.process-step__title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-heading);
}

.process-step__desc {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

@media (max-width: 900px) {
    .process-timeline {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }
    .process-timeline::before { display: none; }
}

/* ---------- Case Studies ---------- */
.case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.case-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

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

.case-card__header {
    padding: var(--space-6) var(--space-8);
    background: linear-gradient(135deg, var(--color-primary-mid), var(--color-primary-light));
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.case-card__category {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-accent);
    background: rgba(100,255,218,0.08);
    border: 1px solid rgba(100,255,218,0.2);
    padding: 3px 10px;
    border-radius: var(--radius-full);
}

.case-card__body { padding: var(--space-8); }

.case-card__title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-heading);
    margin-bottom: var(--space-3);
}

.case-card__desc {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-5);
    line-height: 1.65;
}

.case-card__results {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.result-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.result-item i { color: var(--color-accent); font-size: 0.75rem; }

@media (max-width: 900px) {
    .case-grid { grid-template-columns: 1fr; }
}

/* ---------- Contact Section ---------- */
.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: var(--space-16);
    align-items: start;
}

.contact__info { display: flex; flex-direction: column; gap: var(--space-8); }

.contact__info h2 { margin-bottom: var(--space-4); }

.contact__channels {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.contact-channel {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4) var(--space-5);
    background: var(--color-bg-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    text-decoration: none;
}

.contact-channel:hover {
    border-color: var(--color-border-hover);
    background: rgba(100,255,218,0.03);
    transform: translateX(4px);
}

.channel-icon {
    width: 44px; height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.channel-icon--email    { background: rgba(100,255,218,0.1);  color: var(--color-accent); }
.channel-icon--linkedin { background: rgba(10,102,194,0.2);   color: #4fc3f7; }
.channel-icon--cal      { background: rgba(244,197,66,0.1);   color: var(--color-accent-warm); }

.channel-text { display: flex; flex-direction: column; }
.channel-label { font-size: 0.75rem; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.channel-value { font-size: 0.9rem; font-weight: 500; color: var(--color-text-primary); }

/* Contact form */
.contact__form {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-10);
    backdrop-filter: blur(10px);
}

.form-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-heading);
    margin-bottom: var(--space-6);
}

.form-group { margin-bottom: var(--space-5); }

.form-label {
    display: block;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2);
    letter-spacing: 0.03em;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(255,255,255,0.03);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
    outline: none;
}

.form-control:focus {
    border-color: var(--color-accent);
    background: rgba(100,255,218,0.03);
    box-shadow: 0 0 0 3px rgba(100,255,218,0.07);
}

.form-control::placeholder { color: var(--color-text-muted); }

select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238892b0' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.form-success {
    text-align: center;
    padding: var(--space-8);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
}

.form-success__icon {
    width: 60px; height: 60px;
    background: rgba(100,255,218,0.1);
    border: 2px solid var(--color-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--color-accent);
}

@media (max-width: 900px) {
    .contact__grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
}

/* ---------- Footer ---------- */
.footer {
    background: var(--color-primary);
    border-top: 1px solid var(--color-border);
    padding: var(--space-16) 0 var(--space-8);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-10);
    margin-bottom: var(--space-10);
}

.footer__brand {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-text-white);
    display: block;
    margin-bottom: var(--space-4);
}

.footer__tagline {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-6);
    line-height: 1.6;
}

.footer__social {
    display: flex;
    gap: var(--space-3);
}

.social-link {
    width: 38px; height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.social-link:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background: rgba(100,255,218,0.06);
}

.footer__col h5 {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-white);
    margin-bottom: var(--space-5);
}

.footer__links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer__links a {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer__links a:hover { color: var(--color-accent); }

.footer__bottom {
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.footer__copyright {
    font-size: 0.82rem;
    color: var(--color-text-muted);
}

.footer__bottom-links {
    display: flex;
    gap: var(--space-6);
}

.footer__bottom-links a {
    font-size: 0.82rem;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer__bottom-links a:hover { color: var(--color-accent); }

@media (max-width: 900px) {
    .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
    .footer__grid { grid-template-columns: 1fr; }
    .footer__bottom { flex-direction: column; text-align: center; }
}

/* ---------- Animations ---------- */
@keyframes fadeSlideUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* Intersection Observer scroll reveals */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s 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; }

/* ---------- Not Found ---------- */
.not-found-section {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-20) 0;
}

.not-found-code {
    font-size: 8rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-4);
}

.not-found-message {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
}

/* ---------- Accessibility ---------- */
:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

.sr-only {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Skip navigation link */
.skip-nav {
    position: absolute;
    top: -60px;
    left: var(--space-4);
    background: var(--color-accent);
    color: var(--color-primary);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    font-weight: 600;
    z-index: 9999;
    transition: top var(--transition-fast);
}

.skip-nav:focus { top: var(--space-4); }

/* ---------- Scrollbar Styling ---------- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb {
    background: var(--color-primary-light);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover { background: var(--color-accent); }

/* Selection */
::selection {
    background: rgba(100, 255, 218, 0.2);
    color: var(--color-text-white);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

/* ---------- Responsive Global ---------- */
@media (max-width: 640px) {
    .section { padding: var(--space-16) 0; }
    .container { padding: 0 var(--space-4); }
    .hero__actions { flex-direction: column; }
    .btn-lg { width: 100%; justify-content: center; }
    .hero__stats { gap: var(--space-6); }
    .stat-value { font-size: 1.5rem; }
}