/* ============================================================
   MetaMesh — Main Stylesheet
   Design: Dark-first, light mode toggle, indigo/violet brand
   ============================================================ */

/* === 1. RESET === */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    min-height: 100vh;
    overflow-x: hidden;
}

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

input, button, textarea, select {
    font: inherit;
    color: inherit;
}

p, h1, h2, h3, h4, h5, h6 {
    overflow-wrap: break-word;
}

ul, ol {
    list-style: none;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    background: none;
    border: none;
    cursor: pointer;
}

/* === 2. DESIGN TOKENS (dark mode default) === */
:root {
    /* Palette */
    --c-bg: #07071a;
    --c-bg2: #0c0c22;
    --c-surf: #111130;
    --c-surf2: #17173c;
    --c-border: rgba(99, 102, 241, 0.13);
    --c-border-hov: rgba(99, 102, 241, 0.38);
    --c-text: #eeeeff;
    --c-text2: #9090c0;
    --c-text3: #525280;
    --c-primary: #6366f1;
    --c-primary-lt: #818cf8;
    --c-secondary: #0ea5e9;
    --c-accent: #a78bfa;
    --c-success: #22c55e;
    --c-error: #ef4444;
    /* Gradients */
    --gradient: linear-gradient(135deg, #6366f1 0%, #a78bfa 100%);
    --gradient-r: linear-gradient(135deg, #a78bfa 0%, #6366f1 100%);
    --gradient-text: linear-gradient(135deg, #818cf8 0%, #c084fc 55%, #60a5fa 100%);
    --gradient-hero: radial-gradient(ellipse 80% 60% at 72% 38%, rgba(99,102,241,.18) 0%, transparent 65%), radial-gradient(ellipse 60% 70% at 8% 80%, rgba(14,165,233,.12) 0%, transparent 65%), radial-gradient(ellipse 40% 50% at 50% 5%, rgba(167,139,250,.1) 0%, transparent 60%);
    /* Typography */
    --ff-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    --ff-display: 'Outfit', var(--ff-sans);
    --fw-4: 400;
    --fw-5: 500;
    --fw-6: 600;
    --fw-7: 700;
    --fw-9: 900;
    /* Spacing (4px base) */
    --sp-1: .25rem;
    --sp-2: .5rem;
    --sp-3: .75rem;
    --sp-4: 1rem;
    --sp-5: 1.25rem;
    --sp-6: 1.5rem;
    --sp-8: 2rem;
    --sp-10: 2.5rem;
    --sp-12: 3rem;
    --sp-16: 4rem;
    --sp-20: 5rem;
    --sp-24: 6rem;
    --sp-32: 8rem;
    /* Radius */
    --r-sm: .375rem;
    --r-md: .625rem;
    --r-lg: 1rem;
    --r-xl: 1.5rem;
    --r-2xl: 2rem;
    --r-full: 9999px;
    /* Shadows */
    --sh-sm: 0 1px 4px rgba(0,0,0,.4);
    --sh-md: 0 4px 20px rgba(0,0,0,.5);
    --sh-lg: 0 12px 40px rgba(0,0,0,.6);
    --glow: 0 0 40px rgba(99,102,241,.2);
    --glow-lg: 0 0 80px rgba(99,102,241,.3);
    --glow-card: 0 0 0 1px rgba(99,102,241,.3), 0 8px 32px rgba(99,102,241,.15);
    /* Transitions */
    --t-fast: 150ms cubic-bezier(.4,0,.2,1);
    --t-base: 250ms cubic-bezier(.4,0,.2,1);
    --t-slow: 400ms cubic-bezier(.4,0,.2,1);
    --t-spring: 350ms cubic-bezier(.34,1.56,.64,1);
    /* Layout */
    --max-w: 1200px;
    --max-w-sm: 760px;
    --nav-h: 72px;
    --sect-py: var(--sp-24);
}

/* === 3. LIGHT MODE === */
[data-theme="light"] {
    --c-bg: #f8f8ff;
    --c-bg2: #f1f1f9;
    --c-surf: #ffffff;
    --c-surf2: #f4f4fc;
    --c-border: rgba(99,102,241,.1);
    --c-border-hov: rgba(99,102,241,.38);
    --c-text: #080812;
    --c-text2: #40405e;
    --c-text3: #8888a8;
    --gradient-hero: radial-gradient(ellipse 80% 60% at 72% 38%, rgba(99,102,241,.07) 0%, transparent 65%), radial-gradient(ellipse 60% 70% at 8% 80%, rgba(14,165,233,.05) 0%, transparent 65%), radial-gradient(ellipse 40% 50% at 50% 5%, rgba(167,139,250,.05) 0%, transparent 60%);
    --sh-sm: 0 1px 4px rgba(0,0,0,.06);
    --sh-md: 0 4px 20px rgba(0,0,0,.08);
    --sh-lg: 0 12px 40px rgba(0,0,0,.1);
    --glow: 0 0 40px rgba(99,102,241,.08);
    --glow-lg: 0 0 80px rgba(99,102,241,.12);
    --glow-card: 0 0 0 1px rgba(99,102,241,.18), 0 8px 32px rgba(99,102,241,.07);
}

/* === 4. BASE STYLES === */
body {
    font-family: var(--ff-sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--c-text);
    background-color: var(--c-bg);
    transition: background-color var(--t-slow), color var(--t-slow);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--ff-display);
    font-weight: var(--fw-7);
    line-height: 1.15;
    color: var(--c-text);
}

p {
    color: var(--c-text2);
    max-width: 65ch;
}

strong {
    font-weight: var(--fw-6);
    color: var(--c-text);
}

/* === 5. LAYOUT === */
.container {
    width: 100%;
    max-width: var(--max-w);
    margin-inline: auto;
    padding-inline: var(--sp-6);
}

.container-sm {
    width: 100%;
    max-width: var(--max-w-sm);
    margin-inline: auto;
    padding-inline: var(--sp-6);
}

section {
    padding-block: var(--sect-py);
}

.section-inner {
    max-width: var(--max-w);
    margin-inline: auto;
    padding-inline: var(--sp-6);
}

/* === 6. UTILITIES === */
.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

    .text-center p {
        margin-inline: auto;
    }

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    padding: var(--sp-1) var(--sp-3);
    font-size: .75rem;
    font-weight: var(--fw-6);
    letter-spacing: .08em;
    text-transform: uppercase;
    border-radius: var(--r-full);
    background: rgba(99,102,241,.1);
    border: 1px solid rgba(99,102,241,.25);
    color: var(--c-primary-lt);
}

.tag {
    display: inline-flex;
    align-items: center;
    padding: var(--sp-1) var(--sp-3);
    font-size: .8125rem;
    font-weight: var(--fw-5);
    border-radius: var(--r-full);
    background: var(--c-surf2);
    border: 1px solid var(--c-border);
    color: var(--c-text2);
    white-space: nowrap;
    transition: all var(--t-base);
}

    .tag:hover {
        border-color: var(--c-border-hov);
        color: var(--c-text);
    }

/* === 7. BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-2);
    padding: var(--sp-3) var(--sp-6);
    font-size: .9375rem;
    font-weight: var(--fw-6);
    line-height: 1;
    border-radius: var(--r-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--t-base);
    white-space: nowrap;
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient);
    color: #fff;
    box-shadow: 0 0 20px rgba(99,102,241,.3);
}

    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 0 36px rgba(99,102,241,.45), 0 4px 16px rgba(0,0,0,.3);
    }

.btn-outline {
    background: transparent;
    color: var(--c-text);
    border-color: var(--c-border);
}

    .btn-outline:hover {
        border-color: var(--c-border-hov);
        background: rgba(99,102,241,.06);
        transform: translateY(-2px);
    }

.btn-ghost {
    background: transparent;
    color: var(--c-primary-lt);
    border-color: transparent;
    padding-inline: var(--sp-2);
}

    .btn-ghost:hover {
        color: var(--c-text);
        background: rgba(99,102,241,.08);
    }

.btn-lg {
    padding: var(--sp-4) var(--sp-8);
    font-size: 1.0625rem;
    border-radius: var(--r-lg);
}

.btn-sm {
    padding: var(--sp-2) var(--sp-4);
    font-size: .875rem;
}

/* Arrow icon inside button */
.btn svg {
    width: 16px;
    height: 16px;
    transition: transform var(--t-base);
}

.btn:hover svg {
    transform: translateX(3px);
}

/* === 8. SECTION HEADER === */
.section-label {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    margin-bottom: var(--sp-4);
}

    .section-label::before {
        content: '';
        display: block;
        width: 24px;
        height: 2px;
        background: var(--gradient);
        border-radius: var(--r-full);
    }

    .section-label span {
        font-size: .75rem;
        font-weight: var(--fw-6);
        letter-spacing: .12em;
        text-transform: uppercase;
        color: var(--c-primary-lt);
    }

.section-title {
    font-size: clamp(1.875rem, 4vw, 2.75rem);
    font-weight: var(--fw-7);
    line-height: 1.12;
    margin-bottom: var(--sp-4);
    letter-spacing: -.02em;
}

.section-subtitle {
    font-size: 1.0625rem;
    color: var(--c-text2);
    max-width: 56ch;
    line-height: 1.75;
}

/* === 9. NAVIGATION === */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--nav-h);
    transition: background-color var(--t-base), border-color var(--t-base), backdrop-filter var(--t-base);
}

    .nav.scrolled {
        background: rgba(7,7,26,.88);
        backdrop-filter: blur(14px) saturate(180%);
        -webkit-backdrop-filter: blur(14px) saturate(180%);
        border-bottom: 1px solid var(--c-border);
    }

[data-theme="light"] .nav.scrolled {
    background: rgba(248,248,255,.92);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--max-w);
    margin-inline: auto;
    padding-inline: var(--sp-6);
}

/* Logo */
.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    font-family: var(--ff-display);
    font-size: 1.25rem;
    font-weight: var(--fw-7);
    color: var(--c-text);
    text-decoration: none;
    flex-shrink: 0;
}

    .nav-logo svg {
        width: 30px;
        height: 30px;
        color: var(--c-primary-lt);
        flex-shrink: 0;
    }

.logo-meta {
    color: var(--c-text);
}

.logo-mesh {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Desktop links */
.nav-links {
    display: flex;
    align-items: center;
    gap: var(--sp-1);
}

.nav-link {
    padding: var(--sp-2) var(--sp-4);
    font-size: .9375rem;
    font-weight: var(--fw-5);
    color: var(--c-text2);
    border-radius: var(--r-md);
    transition: all var(--t-fast);
    text-decoration: none;
}

    .nav-link:hover {
        color: var(--c-text);
        background: rgba(99,102,241,.08);
    }

    .nav-link.active {
        color: var(--c-primary-lt);
    }

/* Nav actions */
.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
}

/* Theme toggle */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--r-md);
    color: var(--c-text2);
    border: 1px solid var(--c-border);
    transition: all var(--t-fast);
}

    .theme-toggle:hover {
        color: var(--c-text);
        border-color: var(--c-border-hov);
        background: rgba(99,102,241,.08);
    }

    .theme-toggle svg {
        width: 18px;
        height: 18px;
        transition: transform var(--t-spring);
    }

    .theme-toggle:hover svg {
        transform: rotate(20deg);
    }

.icon-sun {
    display: none;
}

.icon-moon {
    display: block;
}

[data-theme="light"] .icon-sun {
    display: block;
}

[data-theme="light"] .icon-moon {
    display: none;
}

/* Hamburger */
.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: 10px;
    border-radius: var(--r-md);
    border: 1px solid var(--c-border);
    transition: all var(--t-fast);
}

    .nav-hamburger:hover {
        border-color: var(--c-border-hov);
        background: rgba(99,102,241,.08);
    }

.ham-line {
    display: block;
    height: 2px;
    width: 100%;
    background: var(--c-text2);
    border-radius: var(--r-full);
    transition: all var(--t-base);
    transform-origin: center;
}

.nav-hamburger.open .ham-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-hamburger.open .ham-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.nav-hamburger.open .ham-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu */
.nav-mobile {
    position: fixed;
    inset: 0;
    z-index: 999;
    background: var(--c-bg);
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
    padding: var(--sp-6);
    padding-top: calc(var(--nav-h) + var(--sp-6));
    transform: translateX(100%);
    transition: transform var(--t-slow);
    border-left: 1px solid var(--c-border);
}

    .nav-mobile.open {
        transform: translateX(0);
    }

    .nav-mobile .nav-link {
        font-size: 1.125rem;
        padding: var(--sp-4);
        border-radius: var(--r-lg);
    }

.nav-mobile-divider {
    height: 1px;
    background: var(--c-border);
    margin: var(--sp-2) 0;
}

/* === 10. HERO === */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--nav-h);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    pointer-events: none;
}

.hero-mesh {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(var(--c-border) 1px, transparent 1px), linear-gradient(90deg, var(--c-border) 1px, transparent 1px);
    background-size: 64px 64px;
    pointer-events: none;
    mask-image: radial-gradient(ellipse 100% 100% at 50% 0%, black 30%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse 100% 100% at 50% 0%, black 30%, transparent 80%);
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
    animation: orbFloat 9s ease-in-out infinite;
}

.hero-orb-1 {
    width: 520px;
    height: 520px;
    background: radial-gradient(circle, rgba(99,102,241,.35) 0%, transparent 70%);
    top: -120px;
    right: -80px;
    animation-delay: 0s;
}

.hero-orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(14,165,233,.22) 0%, transparent 70%);
    bottom: -60px;
    left: -60px;
    animation-delay: -4.5s;
}

.hero-orb-3 {
    width: 280px;
    height: 280px;
    background: radial-gradient(circle, rgba(167,139,250,.2) 0%, transparent 70%);
    top: 45%;
    left: 38%;
    animation-delay: -2s;
}

@keyframes orbFloat {
    0%,100% {
        transform: translate(0,0) scale(1);
    }

    33% {
        transform: translate(18px,-22px) scale(1.06);
    }

    66% {
        transform: translate(-14px,16px) scale(.97);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: var(--max-w);
    margin-inline: auto;
    padding-inline: var(--sp-6);
    padding-block: var(--sp-20);
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    padding: var(--sp-2) var(--sp-4);
    font-size: .8125rem;
    font-weight: var(--fw-6);
    letter-spacing: .08em;
    text-transform: uppercase;
    border-radius: var(--r-full);
    background: rgba(99,102,241,.1);
    border: 1px solid rgba(99,102,241,.25);
    color: var(--c-primary-lt);
    margin-bottom: var(--sp-6);
}

.eyebrow-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--c-primary-lt);
    animation: pulse 2.2s ease-in-out infinite;
}

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

    50% {
        opacity: .4;
        transform: scale(.75);
    }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.625rem);
    font-weight: var(--fw-9);
    line-height: 1.07;
    letter-spacing: -.025em;
    margin-bottom: var(--sp-6);
    max-width: 17ch;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--c-text2);
    max-width: 52ch;
    line-height: 1.75;
    margin-bottom: var(--sp-10);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-4);
    margin-bottom: var(--sp-16);
}

.hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-12);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-family: var(--ff-display);
    font-size: 2.5rem;
    font-weight: var(--fw-9);
    line-height: 1;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--sp-1);
}

.stat-label {
    font-size: .875rem;
    color: var(--c-text3);
    font-weight: var(--fw-5);
}

/* === 11. PAGE HERO (inner pages) === */
.page-hero {
    padding-top: calc(var(--nav-h) + var(--sp-20));
    padding-bottom: var(--sp-20);
    background: var(--c-bg2);
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--c-border);
}

    .page-hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background: var(--gradient-hero);
        pointer-events: none;
    }

.page-hero-inner {
    position: relative;
    z-index: 1;
    max-width: var(--max-w);
    margin-inline: auto;
    padding-inline: var(--sp-6);
}

.page-hero .badge {
    margin-bottom: var(--sp-4);
}

.page-hero-title {
    font-size: clamp(2rem, 4.5vw, 3.25rem);
    font-weight: var(--fw-9);
    line-height: 1.1;
    letter-spacing: -.025em;
    margin-bottom: var(--sp-4);
    max-width: 20ch;
}

.page-hero-sub {
    font-size: 1.125rem;
    color: var(--c-text2);
    max-width: 56ch;
    line-height: 1.75;
}

/* === 12. CARDS === */
.card {
    background: var(--c-surf);
    border: 1px solid var(--c-border);
    border-radius: var(--r-xl);
    padding: var(--sp-8);
    transition: all var(--t-base);
}

    .card:hover {
        border-color: var(--c-border-hov);
        box-shadow: var(--glow-card);
        transform: translateY(-4px);
    }

.card-featured {
    background: linear-gradient(140deg, var(--c-surf) 0%, var(--c-surf2) 100%);
    border-color: rgba(99,102,241,.25);
}

.card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--r-lg);
    background: rgba(99,102,241,.1);
    border: 1px solid rgba(99,102,241,.2);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--sp-6);
    color: var(--c-primary-lt);
    flex-shrink: 0;
}

    .card-icon svg {
        width: 24px;
        height: 24px;
    }

.card-title {
    font-size: 1.125rem;
    font-weight: var(--fw-6);
    margin-bottom: var(--sp-3);
    color: var(--c-text);
}

.card-text {
    font-size: .9375rem;
    color: var(--c-text2);
    line-height: 1.75;
    max-width: none;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-2);
    margin-top: var(--sp-5);
}

/* === 13. SERVICES GRID === */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
    gap: var(--sp-6);
}

/* === 14. TECH TAGS === */
.tech-tag-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-2);
}

.tech-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    padding: var(--sp-2) var(--sp-4);
    font-size: .875rem;
    font-weight: var(--fw-5);
    border-radius: var(--r-full);
    background: var(--c-surf);
    border: 1px solid var(--c-border);
    color: var(--c-text2);
    transition: all var(--t-base);
}

    .tech-tag:hover {
        border-color: var(--c-border-hov);
        color: var(--c-primary-lt);
        background: var(--c-surf2);
        transform: translateY(-1px);
    }

/* === 15. EXPERTISE GRID === */
.expertise-section {
    margin-bottom: var(--sp-16);
}

    .expertise-section:last-child {
        margin-bottom: 0;
    }

.expertise-header {
    display: flex;
    align-items: center;
    gap: var(--sp-4);
    margin-bottom: var(--sp-8);
    padding-bottom: var(--sp-5);
    border-bottom: 1px solid var(--c-border);
}

.expertise-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--r-lg);
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    flex-shrink: 0;
}

    .expertise-icon svg {
        width: 24px;
        height: 24px;
    }

.expertise-name {
    font-size: 1.25rem;
    font-weight: var(--fw-7);
}

.expertise-items {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    gap: var(--sp-4);
}

.expertise-item {
    padding: var(--sp-5) var(--sp-6);
    background: var(--c-surf);
    border: 1px solid var(--c-border);
    border-radius: var(--r-xl);
    transition: all var(--t-base);
}

    .expertise-item:hover {
        border-color: var(--c-border-hov);
        box-shadow: var(--glow);
        transform: translateY(-2px);
    }

.expertise-item-name {
    font-size: .9375rem;
    font-weight: var(--fw-6);
    color: var(--c-text);
    margin-bottom: var(--sp-1);
}

.expertise-item-desc {
    font-size: .8125rem;
    color: var(--c-text3);
    max-width: none;
}

/* === 16. PROCESS STEPS === */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--sp-6);
    counter-reset: step;
}

.process-step {
    padding: var(--sp-8);
    background: var(--c-surf);
    border: 1px solid var(--c-border);
    border-radius: var(--r-xl);
    counter-increment: step;
    transition: all var(--t-base);
}

    .process-step:hover {
        border-color: var(--c-border-hov);
        box-shadow: var(--glow);
    }

.step-number {
    font-family: var(--ff-display);
    font-size: 3rem;
    font-weight: var(--fw-9);
    line-height: 1;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--sp-4);
    opacity: .55;
}

.step-title {
    font-size: 1.0625rem;
    font-weight: var(--fw-6);
    margin-bottom: var(--sp-3);
    color: var(--c-text);
}

.step-text {
    font-size: .9375rem;
    color: var(--c-text2);
    line-height: 1.7;
    max-width: none;
}

/* === 17. WORKFLOW STEPS (AI page) === */
.workflow-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--sp-6);
}

.workflow-step {
    padding: var(--sp-8);
    background: var(--c-surf);
    border: 1px solid var(--c-border);
    border-radius: var(--r-xl);
    position: relative;
    overflow: hidden;
    transition: all var(--t-base);
}

    .workflow-step::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 2px;
        background: var(--gradient);
        opacity: 0;
        transition: opacity var(--t-base);
    }

    .workflow-step:hover {
        border-color: var(--c-border-hov);
        box-shadow: var(--glow-card);
        transform: translateY(-4px);
    }

        .workflow-step:hover::after {
            opacity: 1;
        }

.workflow-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--r-lg);
    background: rgba(99,102,241,.1);
    border: 1px solid rgba(99,102,241,.2);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--sp-5);
    color: var(--c-primary-lt);
}

    .workflow-icon svg {
        width: 26px;
        height: 26px;
    }

.workflow-title {
    font-size: 1.0625rem;
    font-weight: var(--fw-6);
    margin-bottom: var(--sp-3);
    color: var(--c-text);
}

.workflow-text {
    font-size: .9375rem;
    color: var(--c-text2);
    line-height: 1.75;
    max-width: none;
}

/* === 18. FEATURE SPLIT === */
.feature-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-16);
    align-items: center;
}

    .feature-split.reverse {
        direction: rtl;
    }

        .feature-split.reverse > * {
            direction: ltr;
        }

.feature-visual {
    background: var(--c-surf);
    border: 1px solid var(--c-border);
    border-radius: var(--r-2xl);
    padding: var(--sp-10);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 360px;
    position: relative;
    overflow: hidden;
}

.feature-visual-inner {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: var(--sp-4);
    width: 100%;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: var(--sp-4);
}

.feature-list-item {
    display: flex;
    align-items: flex-start;
    gap: var(--sp-4);
    padding: var(--sp-4);
    background: var(--c-surf2);
    border: 1px solid var(--c-border);
    border-radius: var(--r-lg);
    transition: all var(--t-base);
}

    .feature-list-item:hover {
        border-color: var(--c-border-hov);
    }

    .feature-list-item svg {
        width: 18px;
        height: 18px;
        color: var(--c-primary-lt);
        flex-shrink: 0;
        margin-top: 2px;
    }

.feature-list-item-text {
    font-size: .9375rem;
    color: var(--c-text2);
    max-width: none;
}

.feature-list-item strong {
    font-weight: var(--fw-6);
    color: var(--c-text);
}

/* === 19. CTA BANNER === */
.cta-banner {
    position: relative;
    background: var(--c-surf);
    border: 1px solid var(--c-border);
    border-radius: var(--r-2xl);
    padding: var(--sp-20) var(--sp-12);
    text-align: center;
    overflow: hidden;
}

    .cta-banner::before {
        content: '';
        position: absolute;
        inset: 0;
        background: radial-gradient(ellipse 70% 90% at 50% 110%, rgba(99,102,241,.18) 0%, transparent 70%);
        pointer-events: none;
    }

.cta-banner-inner {
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: clamp(1.75rem, 3.5vw, 2.625rem);
    font-weight: var(--fw-9);
    margin-bottom: var(--sp-4);
    line-height: 1.15;
    letter-spacing: -.02em;
}

.cta-subtitle {
    font-size: 1.0625rem;
    color: var(--c-text2);
    max-width: 50ch;
    margin-inline: auto;
    margin-bottom: var(--sp-8);
    line-height: 1.75;
}

.cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-4);
    justify-content: center;
}

/* === 20. CONTACT === */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    gap: var(--sp-16);
    align-items: start;
}

.contact-info-block {
    position: sticky;
    top: calc(var(--nav-h) + var(--sp-8));
}

.contact-info-title {
    font-size: 1.625rem;
    font-weight: var(--fw-7);
    margin-bottom: var(--sp-4);
}

.contact-info-text {
    font-size: 1rem;
    color: var(--c-text2);
    line-height: 1.75;
    margin-bottom: var(--sp-8);
    max-width: none;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--sp-4);
    margin-bottom: var(--sp-8);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--sp-4);
    padding: var(--sp-4);
    background: var(--c-surf);
    border: 1px solid var(--c-border);
    border-radius: var(--r-lg);
    transition: all var(--t-base);
    text-decoration: none;
}

    .contact-method:hover {
        border-color: var(--c-border-hov);
        background: var(--c-surf2);
        transform: translateX(4px);
    }

.contact-method-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--r-md);
    background: rgba(99,102,241,.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-primary-lt);
    flex-shrink: 0;
}

    .contact-method-icon svg {
        width: 18px;
        height: 18px;
    }

.contact-method-label {
    font-size: .8125rem;
    color: var(--c-text3);
    margin-bottom: 2px;
    font-weight: var(--fw-5);
}

.contact-method-value {
    font-size: .9375rem;
    color: var(--c-text);
    font-weight: var(--fw-6);
}

/* Form */
.contact-form-card {
    background: var(--c-surf);
    border: 1px solid var(--c-border);
    border-radius: var(--r-2xl);
    padding: var(--sp-10);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-5);
}

.form-group.full {
    grid-column: 1 / -1;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
}

.form-label {
    font-size: .875rem;
    font-weight: var(--fw-5);
    color: var(--c-text);
}

    .form-label .req {
        color: var(--c-error);
        margin-left: 2px;
    }

.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: var(--sp-3) var(--sp-4);
    background: var(--c-bg2);
    border: 1px solid var(--c-border);
    border-radius: var(--r-md);
    color: var(--c-text);
    font-size: .9375rem;
    outline: none;
    transition: all var(--t-fast);
    appearance: none;
    -webkit-appearance: none;
}

    .form-input:focus, .form-select:focus, .form-textarea:focus {
        border-color: var(--c-primary);
        background: var(--c-surf);
        box-shadow: 0 0 0 3px rgba(99,102,241,.12);
    }

    .form-input::placeholder, .form-textarea::placeholder {
        color: var(--c-text3);
    }

.form-textarea {
    resize: vertical;
    min-height: 140px;
}

.form-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%23525280'%3E%3Cpath fill-rule='evenodd' d='M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z'/%3E%3C/svg%3E");
    background-position: right 12px center;
    background-repeat: no-repeat;
    background-size: 16px;
    padding-right: var(--sp-10);
}

    .form-select option {
        background: var(--c-surf);
        color: var(--c-text);
    }

.form-honey {
    position: absolute;
    left: -9999px;
    top: -9999px;
    opacity: 0;
    pointer-events: none;
}

.form-submit {
    margin-top: var(--sp-4);
    width: 100%;
    justify-content: center;
}

.form-message {
    display: none;
    padding: var(--sp-4) var(--sp-5);
    border-radius: var(--r-lg);
    font-size: .9375rem;
    font-weight: var(--fw-5);
    margin-top: var(--sp-4);
    align-items: center;
    gap: var(--sp-3);
}

    .form-message.success {
        display: flex;
        background: rgba(34,197,94,.1);
        border: 1px solid rgba(34,197,94,.25);
        color: #22c55e;
    }

    .form-message.error {
        display: flex;
        background: rgba(239,68,68,.1);
        border: 1px solid rgba(239,68,68,.25);
        color: #ef4444;
    }

    .form-message svg {
        width: 16px;
        height: 16px;
        flex-shrink: 0;
    }

/* === 21. FOOTER === */
.footer {
    background: var(--c-bg2);
    border-top: 1px solid var(--c-border);
    padding-top: var(--sp-20);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--sp-12);
    margin-bottom: var(--sp-16);
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    font-family: var(--ff-display);
    font-size: 1.25rem;
    font-weight: var(--fw-7);
    margin-bottom: var(--sp-4);
}

    .footer-logo svg {
        width: 26px;
        height: 26px;
        color: var(--c-primary-lt);
    }

.footer-tagline {
    font-size: .9375rem;
    color: var(--c-text2);
    line-height: 1.7;
    margin-bottom: var(--sp-6);
    max-width: none;
}

.footer-socials {
    display: flex;
    gap: var(--sp-3);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: var(--r-md);
    background: var(--c-surf);
    border: 1px solid var(--c-border);
    color: var(--c-text2);
    transition: all var(--t-fast);
}

    .social-link:hover {
        border-color: var(--c-border-hov);
        color: var(--c-primary-lt);
        background: rgba(99,102,241,.08);
    }

    .social-link svg {
        width: 15px;
        height: 15px;
    }

.footer-col-title {
    font-size: .8125rem;
    font-weight: var(--fw-6);
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--c-text);
    margin-bottom: var(--sp-5);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
}

.footer-link {
    font-size: .9375rem;
    color: var(--c-text2);
    transition: color var(--t-fast);
}

    .footer-link:hover {
        color: var(--c-primary-lt);
    }

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

.footer-copy {
    font-size: .875rem;
    color: var(--c-text3);
    max-width: none;
}

.footer-legal {
    display: flex;
    gap: var(--sp-6);
}

    .footer-legal a {
        font-size: .875rem;
        color: var(--c-text3);
        transition: color var(--t-fast);
    }

        .footer-legal a:hover {
            color: var(--c-text2);
        }

/* === 22. ANIMATIONS === */
.fade-up {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity var(--t-slow), transform var(--t-slow);
}

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

.stagger > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--t-slow), transform var(--t-slow);
}

.stagger.visible > *:nth-child(1) {
    opacity: 1;
    transform: none;
    transition-delay: 0ms;
}

.stagger.visible > *:nth-child(2) {
    opacity: 1;
    transform: none;
    transition-delay: 80ms;
}

.stagger.visible > *:nth-child(3) {
    opacity: 1;
    transform: none;
    transition-delay: 160ms;
}

.stagger.visible > *:nth-child(4) {
    opacity: 1;
    transform: none;
    transition-delay: 240ms;
}

.stagger.visible > *:nth-child(5) {
    opacity: 1;
    transform: none;
    transition-delay: 320ms;
}

.stagger.visible > *:nth-child(6) {
    opacity: 1;
    transform: none;
    transition-delay: 400ms;
}

.stagger.visible > *:nth-child(7) {
    opacity: 1;
    transform: none;
    transition-delay: 480ms;
}

.stagger.visible > *:nth-child(8) {
    opacity: 1;
    transform: none;
    transition-delay: 560ms;
}

/* === 23. SCROLLBAR & SELECTION === */
::-webkit-scrollbar {
    width: 5px;
}

::-webkit-scrollbar-track {
    background: var(--c-bg2);
}

::-webkit-scrollbar-thumb {
    background: var(--c-surf2);
    border-radius: var(--r-full);
}

    ::-webkit-scrollbar-thumb:hover {
        background: var(--c-primary);
    }

::selection {
    background: rgba(99,102,241,.28);
    color: var(--c-text);
}

:focus-visible {
    outline: 2px solid var(--c-primary);
    outline-offset: 3px;
    border-radius: var(--r-sm);
}

/* === 24. RESPONSIVE === */
@media (max-width: 1024px) {
    :root {
        --sect-py: var(--sp-20);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--sp-8);
    }

    .footer-brand {
        grid-column: 1 / -1;
        max-width: 100%;
    }

    .feature-split {
        grid-template-columns: 1fr;
        gap: var(--sp-10);
    }

        .feature-split.reverse {
            direction: ltr;
        }

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

    .contact-info-block {
        position: static;
    }
}

@media (max-width: 768px) {
    :root {
        --sect-py: var(--sp-16);
        --nav-h: 64px;
    }

    .nav-links {
        display: none;
    }

    .nav-hamburger {
        display: flex;
    }

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

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

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

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

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

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

    .cta-banner {
        padding: var(--sp-12) var(--sp-6);
    }

    .contact-form-card {
        padding: var(--sp-6);
    }

    .expertise-items {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-stats {
        gap: var(--sp-8);
    }
}

@media (max-width: 480px) {
    :root {
        --sect-py: var(--sp-12);
    }

    .container, .hero-content, .page-hero-inner {
        padding-inline: var(--sp-4);
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--sp-6);
    }

    .hero-actions {
        flex-direction: column;
    }

        .hero-actions .btn {
            width: 100%;
            justify-content: center;
        }

    .expertise-items {
        grid-template-columns: 1fr;
    }

    .nav-actions .btn-sm {
        display: none;
    }
}

/* === 25. TECHNOLOGY LOGOS === */

/* Large logo: used inside expertise-item cards */
.tech-logo {
    display: block;
    width: 40px;
    height: 40px;
    object-fit: contain;
    background: rgba(255, 255, 255, .95);
    border-radius: var(--r-md);
    padding: 5px;
    margin-bottom: var(--sp-3);
    border: 1px solid rgba(0, 0, 0, .06);
    box-shadow: 0 1px 6px rgba(0, 0, 0, .12);
    transition: transform var(--t-base), box-shadow var(--t-base);
}

.expertise-item:hover .tech-logo {
    transform: scale(1.08);
    box-shadow: 0 4px 14px rgba(0, 0, 0, .18);
}

/* Small logo: used inline inside .tag and .tech-tag chips */
.tech-logo-sm {
    width: 16px;
    height: 16px;
    object-fit: contain;
    background: rgba(255, 255, 255, .92);
    border-radius: 3px;
    padding: 1px;
    flex-shrink: 0;
    display: inline-block;
    vertical-align: middle;
}

/* Ensure tag flex-gap still applies */
.tag, .tech-tag {
    gap: var(--sp-2);
}

/* Light mode: slightly toned down bg for logos so they don't look stark */
[data-theme="light"] .tech-logo {
    background: #fff;
    box-shadow: 0 1px 8px rgba(0,0,0,.08);
}

[data-theme="light"] .tech-logo-sm {
    background: rgba(255,255,255,.75);
}