/* ============================================================
   HAIYUE IT — NASA-STYLE DESIGN SYSTEM
   ============================================================ */

/* ---------- CSS VARIABLES ---------- */
:root {
    --space-black: #06080D;
    --space-dark: #0B0F19;
    --space-blue: #0D1B3E;
    --nasa-blue: #105BD8;
    --nasa-blue-light: #3B82F6;
    --accent-cyan: #64FFDA;
    --accent-gold: #F0C060;
    --white: #FFFFFF;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-hover: rgba(255, 255, 255, 0.06);
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 600ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

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

ul {
    list-style: none;
}

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

/* ---------- STARFIELD CANVAS ---------- */
#starfield {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* ---------- NAVIGATION ---------- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.25rem 0;
    transition: background var(--transition-smooth), padding var(--transition-smooth);
}

.nav.scrolled {
    background: rgba(6, 8, 13, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: 0.75rem 0;
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    z-index: 1001;
}

.logo-icon {
    font-size: 1.5rem;
    color: var(--nasa-blue-light);
    filter: drop-shadow(0 0 8px rgba(59, 130, 246, 0.5));
}

.logo-text {
    font-family: var(--font-sans);
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    color: var(--white);
}

.logo-accent {
    color: var(--nasa-blue-light);
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-link {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    color: var(--gray-400);
    padding: 0.5rem 0;
    position: relative;
    transition: color var(--transition-fast);
}

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

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

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

/* Mobile toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: all var(--transition-smooth);
    transform-origin: center;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ---------- HERO SECTION ---------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
    overflow: hidden;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(16, 91, 216, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(16, 91, 216, 0.06) 1px, transparent 1px);
    background-size: 80px 80px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-content {
    text-align: center;
    max-width: 900px;
    padding: 0 2rem;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    color: var(--gray-400);
    border: 1px solid var(--glass-border);
    border-radius: 100px;
    padding: 0.5rem 1.25rem;
    margin-bottom: 2.5rem;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
}

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

@keyframes pulse-dot {
    0%, 100% { opacity: 1; box-shadow: 0 0 4px var(--accent-cyan); }
    50% { opacity: 0.3; box-shadow: 0 0 12px var(--accent-cyan); }
}

.hero-title {
    display: flex;
    flex-direction: column;
    gap: 0.15em;
    margin-bottom: 2rem;
}

.title-line {
    font-size: clamp(3rem, 8vw, 6.5rem);
    font-weight: 900;
    letter-spacing: 0.04em;
    line-height: 1;
    color: var(--white);
    text-shadow: 0 0 80px rgba(59, 130, 246, 0.3);
}

.title-line--accent {
    color: transparent;
    -webkit-text-fill-color: transparent;
    background: linear-gradient(135deg, var(--nasa-blue-light) 0%, var(--accent-cyan) 100%);
    background-clip: text;
    -webkit-background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--gray-400);
    max-width: 640px;
    margin: 0 auto 3rem;
    line-height: 1.8;
    font-weight: 300;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ---------- BUTTONS ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    padding: 0.9rem 2rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.btn--primary {
    background: var(--nasa-blue);
    color: var(--white);
    border: 1px solid var(--nasa-blue);
}

.btn--primary:hover {
    background: var(--nasa-blue-light);
    border-color: var(--nasa-blue-light);
    box-shadow: 0 0 40px rgba(59, 130, 246, 0.4);
    transform: translateY(-2px);
}

.btn--outline {
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.25);
}

.btn--outline:hover {
    border-color: var(--white);
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-2px);
}

/* Hero scroll indicator */
.hero-scroll {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.25em;
    color: var(--gray-500);
    z-index: 2;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--gray-500), transparent);
    animation: scroll-line 2s ease-in-out infinite;
}

@keyframes scroll-line {
    0%, 100% { opacity: 0.3; transform: scaleY(0.5); transform-origin: top; }
    50% { opacity: 1; transform: scaleY(1); transform-origin: top; }
}

/* ---------- HERO ENTRANCE ANIMATION ---------- */
.hero-entrance {
    opacity: 0;
    transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.9s cubic-bezier(0.16, 1, 0.3, 1),
                filter 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Badge — from above with blur */
.hero-entrance[data-entrance="0"] {
    transform: translateY(-40px);
    filter: blur(8px);
}

/* HAIYUE — from below with heavy blur */
.hero-entrance[data-entrance="1"] {
    transform: translateY(100px);
    filter: blur(12px);
}

/* INFORMATION — from right, deep blur */
.hero-entrance[data-entrance="2"] {
    transform: translateX(60px) translateY(20px);
    filter: blur(12px);
}

/* TECHNOLOGY — from below, deep blur */
.hero-entrance[data-entrance="3"] {
    transform: translateY(100px);
    filter: blur(12px);
}

/* Subtitle — fade up with light blur */
.hero-entrance[data-entrance="4"] {
    transform: translateY(40px);
    filter: blur(6px);
}

/* CTA buttons — fade up */
.hero-entrance[data-entrance="5"] {
    transform: translateY(30px);
    filter: blur(4px);
}

/* Revealed state */
.hero-entrance.revealed {
    opacity: 1;
    transform: translate(0, 0);
    filter: blur(0);
}

/* Staggered delay for polish */
.hero-entrance.revealed[data-entrance="1"] { transition-delay: 0s; }
.hero-entrance.revealed[data-entrance="2"] { transition-delay: 0.05s; }
.hero-entrance.revealed[data-entrance="3"] { transition-delay: 0.1s; }
.hero-entrance.revealed[data-entrance="4"] { transition-delay: 0.25s; }
.hero-entrance.revealed[data-entrance="5"] { transition-delay: 0.35s; }

/* Scroll prompt — hidden once all revealed */
.hero-scroll {
    transition: opacity 0.6s ease, visibility 0.6s ease;
}
.hero-scroll.all-revealed {
    opacity: 0;
    visibility: hidden;
}

/* Entrance progress indicator */
.entrance-progress {
    position: fixed;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.entrance-progress.complete {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.entrance-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
}

.entrance-dot.active {
    background: var(--nasa-blue-light);
    box-shadow: 0 0 12px rgba(59, 130, 246, 0.6);
    transform: scale(1.4);
}

.entrance-dot.done {
    background: rgba(255, 255, 255, 0.5);
}

/* ---------- SECTION SHARED ---------- */
.section-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    position: relative;
    z-index: 1;
    padding: 8rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
}

.section-tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.25em;
    color: var(--nasa-blue-light);
    display: block;
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 800;
    letter-spacing: 0.02em;
    margin-bottom: 1.25rem;
    color: var(--white);
}

.section-desc {
    font-size: 1.1rem;
    color: var(--gray-400);
    max-width: 600px;
    margin: 0 auto;
    font-weight: 300;
    line-height: 1.8;
}

/* ---------- ABOUT SECTION ---------- */
.about {
    background: linear-gradient(180deg, transparent 0%, var(--space-dark) 100%);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.about-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 2.5rem;
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--nasa-blue-light), transparent);
    opacity: 0;
    transition: opacity var(--transition-smooth);
}

.about-card:hover {
    background: var(--glass-hover);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.about-card:hover::before {
    opacity: 1;
}

.card-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: rgba(59, 130, 246, 0.1);
    color: var(--nasa-blue-light);
    margin-bottom: 1.5rem;
}

.about-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--white);
}

.about-card p {
    font-size: 0.95rem;
    color: var(--gray-400);
    line-height: 1.7;
}

/* ---------- STATS SECTION ---------- */
.stats {
    padding: 4rem 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    border-right: 1px solid var(--glass-border);
}

.stat-item:last-child {
    border-right: none;
}

.stat-number {
    font-family: var(--font-mono);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    color: var(--white);
    line-height: 1;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--white) 0%, var(--nasa-blue-light) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    color: var(--gray-500);
    text-transform: uppercase;
}

/* ---------- SERVICES SECTION ---------- */
.services {
    background: linear-gradient(180deg, var(--space-dark) 0%, var(--space-black) 100%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 1.25rem;
}

.service-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 2.5rem;
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.service-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.08), transparent);
    border-radius: 50%;
    transform: translate(30%, -30%);
    transition: all var(--transition-smooth);
}

.service-card:hover {
    background: var(--glass-hover);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.service-card:hover::after {
    width: 200px;
    height: 200px;
}

.service-number {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--nasa-blue-light);
    margin-bottom: 1.5rem;
    letter-spacing: 0.1em;
}

.service-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--white);
}

.service-card p {
    font-size: 0.95rem;
    color: var(--gray-400);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.service-tags li {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    padding: 0.3rem 0.75rem;
    border-radius: 100px;
    background: rgba(59, 130, 246, 0.1);
    color: var(--nasa-blue-light);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

/* ---------- EXPERTISE SECTION ---------- */
.expertise {
    background: linear-gradient(180deg, var(--space-black) 0%, var(--space-dark) 100%);
}

.expertise-grid {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.expertise-bar {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

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

.bar-header span:first-child {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-300);
}

.bar-header span:last-child {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--nasa-blue-light);
}

.bar-track {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 2px;
    overflow: hidden;
}

.bar-fill {
    height: 100%;
    width: 0;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--nasa-blue), var(--accent-cyan));
    transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.bar-fill.animated {
    width: var(--fill);
}

/* ---------- CONTACT SECTION ---------- */
.contact {
    background: linear-gradient(180deg, var(--space-dark) 0%, var(--space-black) 100%);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

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

.contact-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: rgba(59, 130, 246, 0.1);
    color: var(--nasa-blue-light);
    flex-shrink: 0;
}

.contact-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    color: var(--gray-500);
    margin-bottom: 0.25rem;
}

.contact-value {
    font-size: 0.95rem;
    color: var(--gray-200);
}

/* Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    color: var(--gray-400);
    text-transform: uppercase;
}

.form-group input,
.form-group textarea {
    font-family: var(--font-sans);
    font-size: 0.9rem;
    color: var(--white);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: 4px;
    padding: 0.8rem 1rem;
    outline: none;
    transition: all var(--transition-fast);
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--nasa-blue-light);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    background: rgba(255, 255, 255, 0.05);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-600);
}

/* ---------- FOOTER ---------- */
.footer {
    border-top: 1px solid var(--glass-border);
    padding: 4rem 0 2rem;
    background: var(--space-black);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    font-size: 0.9rem;
    color: var(--gray-500);
    line-height: 1.7;
    margin-top: 1.25rem;
    max-width: 280px;
}

.footer-links h4 {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    color: var(--gray-400);
    margin-bottom: 1.25rem;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--gray-500);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
    font-size: 0.8rem;
    color: var(--gray-600);
}

.footer-bottom-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.footer-beian {
    gap: 0.75rem;
}

.footer-beian a {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    color: var(--gray-500);
    transition: color var(--transition-fast);
}

.footer-beian a:hover {
    color: var(--gray-300);
}

.beian-icon {
    flex-shrink: 0;
    color: var(--gray-500);
}

.footer-divider {
    color: var(--gray-700);
}

/* ---------- ANIMATIONS ---------- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: rgba(6, 8, 13, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2.5rem;
        transition: right var(--transition-smooth);
    }

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

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

    .nav-toggle {
        display: flex;
    }

    .hero-title {
        gap: 0.1em;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

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

    section {
        padding: 5rem 0;
    }

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

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

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

    .stat-item {
        border-right: none;
        border-bottom: 1px solid var(--glass-border);
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .entrance-progress {
        right: 0.75rem;
        gap: 0.75rem;
    }

    .entrance-dot {
        width: 6px;
        height: 6px;
    }

    .footer-brand p {
        max-width: 100%;
    }
}

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

    .section-container {
        padding: 0 1.25rem;
    }
}