/* =============================================
   LOF CONSTRUCTION Ltd - Corporate Stylesheet
   ============================================= */

/* ----- Custom Properties ----- */
:root {
    --primary: #0B1C3A;
    --primary-light: #162D50;
    --secondary: #1E4A6F;
    --accent: #C8972E;
    --accent-hover: #D4A843;
    --accent-light: #F5ECD7;
    --accent-glow: rgba(200, 151, 46, 0.15);
    --bg: #FFFFFF;
    --bg-alt: #F4F7FC;
    --bg-dark: #081224;
    --text: #1B1F2B;
    --text-light: #4A5165;
    --text-muted: #8B92A5;
    --text-on-dark: #E8ECF4;
    --text-on-dark-muted: #9AA3B8;
    --border: #E2E6EE;
    --border-dark: #1E2D4A;
    --success: #2D9D6E;
    --shadow-sm: 0 1px 3px rgba(11, 28, 58, 0.08);
    --shadow-md: 0 4px 16px rgba(11, 28, 58, 0.1);
    --shadow-lg: 0 8px 32px rgba(11, 28, 58, 0.12);
    --shadow-xl: 0 16px 48px rgba(11, 28, 58, 0.16);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --max-width: 1200px;
    --header-height: 80px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    color: var(--text);
    background: var(--bg);
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

::selection {
    background: var(--accent);
    color: var(--primary);
}

/* ----- Typography ----- */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.25;
    color: var(--text);
}

h1 { font-size: clamp(2.2rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 3rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
h4 { font-size: 1.2rem; }

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

/* ----- Container ----- */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ----- Sections ----- */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    color: var(--accent);
    margin-bottom: 16px;
}

.section-tag::before,
.section-tag::after {
    content: '';
    display: inline-block;
    width: 28px;
    height: 2px;
    background: var(--accent);
}

.section-title {
    margin-bottom: 20px;
}

.section-subtitle {
    color: var(--text-light);
    font-size: 1.125rem;
    line-height: 1.8;
}

.section.bg-alt { background: var(--bg-alt); }
.section.bg-dark { background: var(--bg-dark); }

/* ----- Buttons ----- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
    letter-spacing: 0.3px;
    line-height: 1;
}

.btn-primary {
    background: var(--accent);
    color: var(--primary);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: var(--text-on-dark);
    border: 2px solid rgba(255, 255, 255, 0.25);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

.btn-outline-dark {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline-dark:hover {
    background: var(--primary);
    color: var(--bg);
    transform: translateY(-2px);
}

/* ----- Header / Navigation ----- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 0 24px;
    height: var(--header-height);
    display: flex;
    align-items: center;
    transition: var(--transition);
    background: transparent;
}

.header.scrolled {
    background: rgba(11, 28, 58, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.2);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.header-cta {
    margin-left: 32px;
}

.header-cta .btn {
    padding: 10px 24px;
    font-size: 0.85rem;
}

.logo {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}

.logo-text {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--bg);
    letter-spacing: 1px;
}

.logo-text span {
    color: var(--accent);
    font-weight: 300;
}

.logo-sub {
    font-size: 0.65rem;
    font-weight: 400;
    color: var(--text-on-dark-muted);
    letter-spacing: 2.5px;
    text-transform: uppercase;
}

.nav {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav a {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.9rem;
    font-weight: 500;
    position: relative;
    padding: 4px 0;
    transition: var(--transition);
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: var(--transition);
}

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

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
    background: none;
    border: none;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 26px;
    height: 2px;
    background: var(--bg);
    transition: var(--transition);
    border-radius: 2px;
}

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

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

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

/* ----- Hero Section ----- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(200, 151, 46, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(30, 74, 111, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 50% 80%, rgba(200, 151, 46, 0.05) 0%, transparent 50%);
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
}

.hero .container {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 850px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(200, 151, 46, 0.1);
    border: 1px solid rgba(200, 151, 46, 0.3);
    border-radius: 50px;
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 32px;
    animation: fadeIn 0.8s ease 0.2s both;
}

.hero h1 {
    color: var(--bg);
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero h1 .gradient-text {
    background: linear-gradient(135deg, var(--accent), #E0B84C);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    color: var(--text-on-dark-muted);
    font-size: 1.15rem;
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.8s both;
}

.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-on-dark-muted);
    font-size: 0.7rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    animation: fadeIn 1s ease 1.5s both;
}

.scroll-indicator {
    width: 24px;
    height: 38px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    position: relative;
}

.scroll-indicator::before {
    content: '';
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 8px;
    background: var(--accent);
    border-radius: 2px;
    animation: scrollDown 2s ease-in-out infinite;
}

/* ----- About Section ----- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-content h2 {
    margin-bottom: 20px;
}

.about-content p {
    color: var(--text-light);
    margin-bottom: 16px;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-top: 28px;
}

.about-feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text);
    padding: 8px 0;
}

.about-feature-item svg {
    flex-shrink: 0;
    color: var(--accent);
    width: 20px;
    height: 20px;
}

.about-visual {
    position: relative;
}

.about-stats-card {
    background: var(--primary);
    color: var(--bg);
    padding: 44px 40px;
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
}

.about-stats-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(200, 151, 46, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.about-stats-card h3 {
    color: var(--accent);
    font-size: 1rem;
    margin-bottom: 24px;
    position: relative;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.about-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    position: relative;
}

.about-stats-grid .stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--bg);
    line-height: 1;
    margin-bottom: 4px;
}

.about-stats-grid .stat-label {
    color: var(--text-on-dark-muted);
    font-size: 0.85rem;
}

/* ----- Services Section ----- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.service-card {
    background: var(--bg);
    border-radius: var(--radius-md);
    padding: 36px 30px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-hover));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

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

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-light);
    border-radius: var(--radius-sm);
    margin-bottom: 22px;
    color: var(--accent);
}

.service-card h3 {
    margin-bottom: 12px;
    font-size: 1.15rem;
}

.service-card p {
    color: var(--text-light);
    font-size: 0.92rem;
    line-height: 1.7;
}

/* ----- Features Section (Dark) ----- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.feature-block {
    display: flex;
    gap: 20px;
    padding: 28px;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.feature-block:hover {
    background: rgba(255, 255, 255, 0.03);
}

.feature-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(200, 151, 46, 0.1);
    border-radius: var(--radius-sm);
    color: var(--accent);
}

.feature-text h3 {
    color: var(--bg);
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.feature-text p {
    color: var(--text-on-dark-muted);
    font-size: 0.92rem;
    line-height: 1.7;
}

/* ----- Stats Bar ----- */
.stats-section {
    background: var(--primary);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    text-align: center;
}

.stat-item {
    padding: 20px;
}

.stat-item .stat-number {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-item .stat-label {
    color: var(--text-on-dark-muted);
    font-size: 0.95rem;
    font-weight: 500;
}

/* ----- Contact Section ----- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-card {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: var(--bg-alt);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.contact-card:hover {
    transform: translateX(4px);
}

.contact-card-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-light);
    border-radius: var(--radius-sm);
    color: var(--accent);
}

.contact-card h4 {
    font-size: 0.9rem;
    margin-bottom: 4px;
}

.contact-card p,
.contact-card a {
    color: var(--text-light);
    font-size: 0.9rem;
}

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

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text);
}

.form-group input,
.form-group textarea {
    padding: 14px 16px;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    background: var(--bg);
    color: var(--text);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-glow);
}

.form-group textarea {
    min-height: 130px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* ----- Footer ----- */
.footer {
    background: var(--bg-dark);
    color: var(--text-on-dark-muted);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid var(--border-dark);
}

.footer-brand .logo-text {
    margin-bottom: 16px;
    display: inline-block;
}

.footer-brand p {
    font-size: 0.88rem;
    line-height: 1.8;
    max-width: 320px;
}

.footer h4 {
    color: var(--bg);
    font-size: 1rem;
    margin-bottom: 20px;
    font-weight: 600;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--text-on-dark-muted);
    font-size: 0.88rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent);
    padding-left: 4px;
}

.footer-contact-item {
    display: flex;
    gap: 12px;
    font-size: 0.88rem;
    margin-bottom: 16px;
}

.footer-contact-item svg {
    flex-shrink: 0;
    color: var(--accent);
    margin-top: 3px;
}

.footer-social {
    display: flex;
    gap: 10px;
    margin-top: 24px;
}

.footer-social a {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-sm);
    color: var(--text-on-dark-muted);
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--primary);
    transform: translateY(-2px);
}

.footer-bottom {
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.82rem;
}

.footer-bottom-links {
    display: flex;
    gap: 24px;
}

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

/* ----- Page Header (inner pages) ----- */
.page-header {
    padding-top: calc(var(--header-height) + 80px);
    padding-bottom: 60px;
    background: linear-gradient(135deg, var(--bg-dark), var(--primary));
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 30% 50%, rgba(200, 151, 46, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 70% 50%, rgba(30, 74, 111, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.page-header .container {
    position: relative;
    z-index: 1;
}

.page-header h1 {
    color: var(--bg);
    margin-bottom: 12px;
}

.page-header p {
    color: var(--text-on-dark-muted);
    font-size: 1.05rem;
    max-width: 600px;
    margin: 0 auto;
}

.page-content {
    padding: 80px 0;
}

.page-content .content-wrap {
    max-width: 800px;
    margin: 0 auto;
}

.page-content h2 {
    font-size: 1.5rem;
    margin-top: 48px;
    margin-bottom: 16px;
    padding-top: 8px;
}

.page-content h2:first-of-type {
    margin-top: 0;
}

.page-content h3 {
    font-size: 1.15rem;
    margin-top: 32px;
    margin-bottom: 12px;
}

.page-content p {
    color: var(--text-light);
    margin-bottom: 16px;
    line-height: 1.8;
}

.page-content ul,
.page-content ol {
    margin-bottom: 20px;
    padding-left: 24px;
    color: var(--text-light);
}

.page-content ul {
    list-style: disc;
}

.page-content ol {
    list-style: decimal;
}

.page-content li {
    margin-bottom: 8px;
    line-height: 1.7;
}

.page-content strong {
    color: var(--text);
    font-weight: 600;
}

.page-content hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 40px 0;
}

.page-content .last-updated {
    display: inline-block;
    padding: 6px 16px;
    background: var(--accent-light);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: var(--primary);
    margin-bottom: 32px;
}

/* ----- Animations ----- */
@keyframes float {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

@keyframes scrollDown {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(12px); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

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

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* ----- Back to Top Button ----- */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    background: var(--accent);
    color: var(--primary);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--accent-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* =============================================
   Responsive - Tablet
   ============================================= */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }

    .hero h1 {
        font-size: 2.8rem;
    }
}

/* =============================================
   Responsive - Mobile
   ============================================= */
@media (max-width: 768px) {
    .section {
        padding: 72px 0;
    }

    .nav {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(11, 28, 58, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        gap: 32px;
        transform: translateX(100%);
        transition: var(--transition);
        z-index: 1000;
    }

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

    .nav a {
        font-size: 1.2rem;
    }

    .header-cta {
        display: none;
    }

    .hamburger {
        display: flex;
        z-index: 1002;
    }

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

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

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .footer-bottom-links {
        justify-content: center;
    }

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

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

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero p {
        font-size: 1rem;
    }

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

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

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .stat-item .stat-number {
        font-size: 2.2rem;
    }

    .about-stats-grid {
        gap: 20px;
    }

    .about-stats-grid .stat-number {
        font-size: 2rem;
    }

    .section-header {
        margin-bottom: 40px;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 42px;
        height: 42px;
    }

    .page-content .content-wrap {
        padding: 0 4px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }

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

    .section-tag::before,
    .section-tag::after {
        width: 20px;
    }

    .about-stats-card {
        padding: 32px 24px;
    }
}