/*
================================================
SPIKERUSH MEDIA - REDESIGN
Editorial dark theme • Warm accent • Clean layout
================================================
*/

/* -------------------
   1. CSS Variables & Root
   ------------------- */
:root {
    /* Color system – fresh midnight gradient theme */
    --color-primary: #38bdf8;              /* sky blue */
    --color-primary-soft: rgba(56, 189, 248, 0.15);
    --color-secondary: #a855f7;            /* violet */
    --color-accent: #f97316;               /* warm accent */

    --color-bg-dark: #020617;              /* slate-950 */
    --color-bg-mid: #020617;
    --color-bg-elevated: rgba(15, 23, 42, 0.85);
    --color-bg-card: rgba(15, 23, 42, 0.95);

    --color-border-subtle: rgba(148, 163, 184, 0.35);
    --color-border-strong: rgba(56, 189, 248, 0.65);

    --color-text-primary: #e5e7eb;
    --color-text-secondary: #9ca3af;
    --color-text-muted: #6b7280;

    --glass-blur: 22px;

    --font-primary: 'DM Sans', sans-serif;
    --font-heading: 'Outfit', sans-serif;

    --header-height: 76px;
    --container: 1120px;

    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 22px;
    --radius-full: 9999px;

    --shadow-card: 0 22px 60px rgba(15, 23, 42, 0.9);
    --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.65);
    --shadow-glow: 0 0 55px rgba(56, 189, 248, 0.35);

    --transition: 0.28s ease;
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background:
        radial-gradient(circle at top left, rgba(56, 189, 248, 0.15), transparent 55%),
        radial-gradient(circle at bottom right, rgba(168, 85, 247, 0.18), transparent 55%),
        var(--color-bg-dark);
    color: var(--color-text-primary);
    font-family: var(--font-primary);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

ul {
    list-style: none;
}

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

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

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

/* -------------------
   3. Layout & Components
   ------------------- */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 1.25rem;
}

.section {
    padding: 5.5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3.75rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.9rem);
    margin-bottom: 0.9rem;
    letter-spacing: -0.03em;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.7;
}

.highlight {
    background: linear-gradient(120deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: #0b1120;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background: rgba(15, 23, 42, 0.8);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border-subtle);
}

.btn-secondary:hover {
    border-color: var(--color-border-strong);
    color: var(--color-primary);
}

/* -------------------
   4. Background (minimal, no orbs)
   ------------------- */
.background-orb-container {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.2;
}

.orb1 {
    width: 400px;
    height: 400px;
    background: var(--color-primary);
    top: -100px;
    right: -100px;
}

.orb2 {
    width: 300px;
    height: 300px;
    background: var(--color-secondary);
    bottom: 20%;
    left: -80px;
}

.orb3 {
    width: 200px;
    height: 200px;
    background: var(--color-accent);
    bottom: -50px;
    right: 20%;
    opacity: 0.15;
}

/* -------------------
   5. Header & Navigation
   ------------------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    transition: background var(--transition), padding var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.header.scrolled {
    background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.07), transparent 55%),
                rgba(15, 23, 42, 0.96);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid rgba(148, 163, 184, 0.35);
    padding: 0.6rem 0;
    box-shadow: 0 18px 45px rgba(15, 23, 42, 0.9);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    height: 40px;
    width: auto;
    filter: brightness(0) invert(1);
}

.logo-link:hover {
    opacity: 0.9;
}

.nav-menu {
    display: flex;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 2.25rem;
}

.nav-link {
    color: var(--color-text-secondary);
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 500;
    position: relative;
    padding-bottom: 0.15rem;
}

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

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

.nav-close {
    display: none;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-text-primary);
    font-size: 1.35rem;
    cursor: pointer;
    padding: 0.25rem;
}

/* -------------------
   6. Hero Section
   ------------------- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: calc(var(--header-height) + 1.5rem);
    position: relative;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 3.5rem;
}

.hero-content {
    text-align: left;
}

.hero-title {
    font-size: clamp(2.7rem, 5.2vw, 3.9rem);
    margin-bottom: 1.35rem;
    letter-spacing: -0.04em;
    line-height: 1.05;
}

.hero-subtitle {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
    max-width: 480px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-sphere {
    width: 280px;
    height: 280px;
    position: relative;
    border-radius: 50%;
    background: var(--color-primary-dim);
    border: 1px solid var(--color-border-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: pulse-ring 4s ease-in-out infinite;
}

.sphere-icon {
    font-size: 3.5rem;
    color: var(--color-primary);
    opacity: 0.9;
}

.sphere-ring {
    position: absolute;
    inset: -8px;
    border-radius: 50%;
    border: 1px solid rgba(234, 179, 8, 0.2);
    animation: pulse-ring 3s ease-in-out infinite;
    animation-delay: 0.5s;
}

.sphere-ring:nth-child(2) {
    inset: -16px;
    animation-delay: 1s;
}

.sphere-ring:nth-child(3) {
    inset: -24px;
    animation-delay: 1.5s;
}

@keyframes pulse-ring {
    0%, 100% { opacity: 0.4; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.02); }
}

/* -------------------
   7. Services Section
   ------------------- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.service-card {
    background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.12), transparent 55%),
                var(--color-bg-card);
    border: 1px solid rgba(148, 163, 184, 0.35);
    padding: 2.1rem 1.9rem;
    border-radius: var(--radius-lg);
    text-align: left;
    box-shadow: var(--shadow-soft);
    transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.service-card:hover {
    border-color: var(--color-border-strong);
    transform: translateY(-6px) translateZ(0);
    box-shadow: var(--shadow-card);
    background:
        radial-gradient(circle at top left, rgba(56, 189, 248, 0.18), transparent 60%),
        radial-gradient(circle at bottom right, rgba(168, 85, 247, 0.18), transparent 60%),
        var(--color-bg-card);
}

.service-card-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background: var(--color-primary-soft);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    margin-bottom: 1.25rem;
    transition: background var(--transition), color var(--transition);
}

.service-card:hover .service-card-icon {
    background: linear-gradient(145deg, var(--color-primary), var(--color-secondary));
    color: #020617;
}

.service-card-title {
    font-size: 1.2rem;
    margin-bottom: 0.6rem;
    text-transform: none;
    letter-spacing: -0.01em;
}

.service-card-description {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* -------------------
   8. Tech Section
   ------------------- */
.tech-section {
    background: radial-gradient(circle at top right, rgba(56, 189, 248, 0.16), transparent 60%),
                radial-gradient(circle at bottom left, rgba(15, 23, 42, 0.9), rgba(2, 6, 23, 1));
}

.tech-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 4rem;
}

.tech-list {
    margin: 1.75rem 0;
}

.tech-list li {
    padding-left: 2rem;
    position: relative;
    margin-bottom: 0.9rem;
    color: var(--color-text-secondary);
}

.tech-list li i {
    position: absolute;
    left: 0;
    top: 0.2rem;
    color: var(--color-primary);
    font-size: 0.9rem;
}

.tech-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.tech-cube {
    width: 180px;
    height: 180px;
    position: relative;
    transform-style: preserve-3d;
    animation: spinCube 24s infinite linear;
}

.cube-face {
    position: absolute;
    width: 180px;
    height: 180px;
    border: 1px solid var(--color-border-hover);
    background: var(--color-primary-dim);
    border-radius: 4px;
}

.front  { transform: rotateY(0deg) translateZ(90px); }
.back   { transform: rotateY(180deg) translateZ(90px); }
.right  { transform: rotateY(90deg) translateZ(90px); }
.left   { transform: rotateY(-90deg) translateZ(90px); }
.top    { transform: rotateX(90deg) translateZ(90px); }
.bottom { transform: rotateX(-90deg) translateZ(90px); }

@keyframes spinCube {
    from { transform: rotateX(0) rotateY(0); }
    to   { transform: rotateX(360deg) rotateY(360deg); }
}

/* -------------------
   9. Industries Section
   ------------------- */
.industries-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

.industry-item {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    padding: 0.85rem 1.5rem;
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: border-color var(--transition), background var(--transition), color var(--transition);
}

.industry-item:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-dim);
    color: var(--color-primary);
}

.industry-item i {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* -------------------
   10. ROI Calculator Section
   ------------------- */
.roi-section {
    background: radial-gradient(circle at bottom right, rgba(168, 85, 247, 0.18), transparent 55%),
                rgba(2, 6, 23, 0.98);
}

.roi-container {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.roi-form {
    margin-top: 1.5rem;
    display: grid;
    gap: 1.25rem;
}

.roi-form .form-group {
    display: flex;
    flex-direction: column;
}

.roi-form label {
    margin-bottom: 0.4rem;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.roi-form input {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    padding: 0.85rem 1rem;
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-size: 1rem;
    transition: border-color var(--transition);
}

.roi-form input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.roi-results-wrapper {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    padding: 2px;
    border-radius: var(--radius-lg);
}

.roi-results {
    background: var(--color-bg-mid);
    padding: 2rem;
    border-radius: calc(var(--radius-lg) - 2px);
    text-align: center;
}

.roi-results h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.result-item {
    margin-bottom: 1.25rem;
}

.result-item h4 {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 0.35rem;
    font-family: var(--font-primary);
    font-weight: 500;
}

.result-item p {
    font-size: 2rem;
    font-family: var(--font-heading);
    color: var(--color-primary);
}

.roi-results small {
    color: var(--color-text-muted);
    font-size: 0.8rem;
}

/* -------------------
   11. Testimonials Section
   ------------------- */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.testimonial-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    padding: 2rem;
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.testimonial-card:hover {
    border-color: var(--color-border-hover);
    box-shadow: var(--shadow-card);
}

.testimonial-text {
    font-style: italic;
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
    position: relative;
    padding-left: 1.75rem;
    line-height: 1.7;
}

.testimonial-text::before {
    content: '"';
    position: absolute;
    left: 0;
    top: -0.25rem;
    font-size: 2rem;
    color: var(--color-primary);
    opacity: 0.6;
    font-family: Georgia, serif;
}

.testimonial-author {
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
}

.author-info h4 {
    font-size: 1rem;
    font-family: var(--font-primary);
    font-weight: 600;
    text-transform: none;
}

.author-info span {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* -------------------
   12. Floating Widgets
   ------------------- */
.floating-widgets {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 998;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.widget-item {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-bg-dark);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.25rem;
    cursor: pointer;
    box-shadow: var(--shadow-card);
    transition: transform var(--transition), box-shadow var(--transition);
    border: none;
}

.widget-item:hover {
    transform: scale(1.08);
    box-shadow: 0 8px 24px rgba(234, 179, 8, 0.35);
}

.widget-item span {
    position: absolute;
    right: 115%;
    top: 50%;
    transform: translateY(-50%);
    background: var(--color-bg-card);
    color: var(--color-text-primary);
    padding: 0.4rem 0.85rem;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    font-size: 0.8rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
    border: 1px solid var(--color-border);
}

.widget-item:hover span {
    opacity: 1;
    visibility: visible;
}

/* -------------------
   13. Footer
   ------------------- */
.footer {
    background: linear-gradient(to bottom, rgba(15, 23, 42, 0.98), #020617);
    padding-top: 4rem;
    border-top: 1px solid rgba(148, 163, 184, 0.35);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2.5rem;
    margin-bottom: 3rem;
}

.footer-logo {
    height: 44px;
    margin-bottom: 1.25rem;
    filter: brightness(0) invert(1);
}

.footer-about-text {
    color: var(--color-text-secondary);
    margin-bottom: 1.25rem;
    font-size: 0.95rem;
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 0.75rem;
}

.social-links a {
    color: var(--color-text-muted);
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    transition: border-color var(--transition), color var(--transition), background var(--transition);
}

.social-links a:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
    background: var(--color-primary-dim);
}

.footer-col-title {
    font-size: 1rem;
    margin-bottom: 1.25rem;
    font-family: var(--font-heading);
    font-weight: 600;
}

.footer-links ul li {
    margin-bottom: 0.6rem;
}

.footer-links ul li a {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

.footer-links ul li a:hover {
    color: var(--color-primary);
}

.footer-contact ul li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.85rem;
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

.footer-contact ul li i {
    margin-top: 0.25rem;
    color: var(--color-primary);
    font-size: 0.9rem;
    flex-shrink: 0;
}

.footer-contact a {
    color: var(--color-text-secondary);
}

.footer-contact a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding: 1.25rem 0;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

/* -------------------
   14. Sub-pages (Contact, Legal)
   ------------------- */
.page-header {
    padding: 7rem 0 4rem;
    text-align: center;
    background: var(--color-bg-mid);
}

.page-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
}

.page-subtitle {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    max-width: 560px;
    margin: 0 auto 1.25rem;
}

.breadcrumbs {
    font-size: 0.9rem;
}

.breadcrumbs a {
    color: var(--color-text-muted);
}

.breadcrumbs a:hover {
    color: var(--color-primary);
}

.breadcrumbs span {
    color: var(--color-text-secondary);
}

.breadcrumbs i {
    font-size: 0.65rem;
    margin: 0 0.5rem;
    opacity: 0.7;
}

.main-content {
    padding: 3rem 0;
}

.page-content {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    max-width: 800px;
    margin: 0 auto;
}

.page-content h2 {
    font-size: 1.4rem;
    margin: 2rem 0 0.75rem;
    color: var(--color-primary);
}

.page-content p {
    margin-bottom: 1.25rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* Contact Page */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 2.5rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
}

.contact-info-panel h3,
.contact-form-wrapper h3 {
    font-size: 1.5rem;
    margin-bottom: 0.85rem;
}

.contact-info-panel p {
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.contact-details-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.contact-details-list i {
    font-size: 1.25rem;
    color: var(--color-primary);
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.contact-details-list h4 {
    font-size: 0.9rem;
    margin-bottom: 0.2rem;
    font-family: var(--font-primary);
    font-weight: 600;
}

.contact-details-list a,
.contact-details-list p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

.contact-form-wrapper h3 {
    margin-bottom: 1.5rem;
}

.contact-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.contact-form .form-group {
    margin-bottom: 1.25rem;
}

.contact-form label {
    display: block;
    margin-bottom: 0.4rem;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    background: var(--color-bg-mid);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
    padding: 0.85rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: var(--font-primary);
    transition: border-color var(--transition);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

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

.submit-btn {
    width: 100%;
}

/* -------------------
   15. Scroll Animations
   ------------------- */
.animate-up {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

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

.animate-up.is-visible:nth-child(2) { transition-delay: 0.08s; }
.animate-up.is-visible:nth-child(3) { transition-delay: 0.16s; }
.animate-up.is-visible:nth-child(4) { transition-delay: 0.24s; }
.animate-up.is-visible:nth-child(5) { transition-delay: 0.32s; }
.animate-up.is-visible:nth-child(6) { transition-delay: 0.4s; }

/* -------------------
   16. Responsiveness
   ------------------- */
@media (max-width: 992px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width:  min(85%, 320px);
        height: 100vh;
        background: var(--color-bg-mid);
        flex-direction: column;
        padding: 5rem 1.5rem 1.5rem;
        border-left: 1px solid var(--color-border);
        transition: right 0.35s var(--ease-out);
        z-index: 1001;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
    }

    .nav-link {
        font-size: 1.1rem;
    }

    .nav-close {
        display: block;
        position: absolute;
        top: 1.25rem;
        right: 1.25rem;
        font-size: 1.5rem;
        color: var(--color-text-secondary);
        background: none;
        border: none;
        cursor: pointer;
    }

    .menu-toggle {
        display: block;
    }

    .hero-container,
    .tech-container,
    .roi-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        order: 2;
        text-align: center;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-visual {
        order: 1;
        margin-bottom: 2rem;
    }

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

    .tech-visual {
        margin-top: 2rem;
    }

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

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

@media (max-width: 576px) {
    :root {
        --header-height: 64px;
    }

    .section {
        padding: 3.5rem 0;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .page-title {
        font-size: 1.9rem;
    }

    .logo {
        height: 38px;
    }

    .hero {
        min-height: auto;
        padding: 5rem 0 3rem;
    }

    .hero-sphere {
        width: 220px;
        height: 220px;
    }

    .sphere-icon {
        font-size: 2.75rem;
    }

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

    .tech-cube {
        width: 140px;
        height: 140px;
    }

    .cube-face {
        width: 140px;
        height: 140px;
    }

    .front  { transform: rotateY(0deg) translateZ(70px); }
    .back   { transform: rotateY(180deg) translateZ(70px); }
    .right  { transform: rotateY(90deg) translateZ(70px); }
    .left   { transform: rotateY(-90deg) translateZ(70px); }
    .top    { transform: rotateX(90deg) translateZ(70px); }
    .bottom { transform: rotateX(-90deg) translateZ(70px); }

    .contact-wrapper {
        padding: 1.5rem;
    }

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

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

    .social-links {
        justify-content: center;
    }

    .footer-contact ul li {
        justify-content: center;
        text-align: center;
    }

    .floating-widgets {
        bottom: 1rem;
        right: 1rem;
    }

    .widget-item {
        width: 48px;
        height: 48px;
        font-size: 1.1rem;
    }

    .widget-item:hover span {
        display: none;
    }
}