/* ========== 基础重置与变量 ========== */
:root {
    --primary: #1a5276;
    --primary-light: #2980b9;
    --accent: #e67e22;
    --accent-light: #f39c12;
    --dark: #1a1a2e;
    --dark-light: #2d2d44;
    --text: #333;
    --text-light: #666;
    --text-lighter: #999;
    --bg: #fff;
    --bg-light: #f8f9fa;
    --bg-warm: #fdf6ee;
    --border: #e0e0e0;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 8px 40px rgba(0, 0, 0, 0.15);
    --radius: 12px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

/* ========== 导航栏 ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    padding: 10px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.4rem;
    font-weight: 700;
}

.logo-icon {
    font-size: 1.6rem;
}

.logo-text {
    font-family: 'Orbitron', sans-serif;
    color: var(--primary);
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text);
    position: relative;
    padding: 4px 0;
    transition: var(--transition);
}

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

.nav-links a:hover::after {
    width: 100%;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--transition);
}

.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 区域 ========== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 24px 80px;
    background: linear-gradient(135deg, #0c2340 0%, #1a5276 40%, #2980b9 100%);
    position: relative;
    overflow: hidden;
    gap: 60px;
    max-width: 1400px;
    margin: 0 auto;
}

.hero-bg-animation {
    position: absolute;
    top: 50%;
    left: 20%;
    transform: translate(-50%, -50%);
    z-index: 0;
}

.radio-wave {
    position: absolute;
    width: 500px;
    height: 500px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: radioWave 4s ease-out infinite;
}

.radio-wave.delay1 { animation-delay: 1.3s; }
.radio-wave.delay2 { animation-delay: 2.6s; }

@keyframes radioWave {
    0% { width: 50px; height: 50px; opacity: 0.6; }
    100% { width: 700px; height: 700px; opacity: 0; }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
    color: #fff;
}

.hero-badge {
    display: inline-block;
    background: rgba(230, 126, 34, 0.2);
    border: 1px solid rgba(230, 126, 34, 0.4);
    color: var(--accent-light);
    padding: 6px 20px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease-out;
}

.hero-title {
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.1;
    margin-bottom: 24px;
}

.title-line1 {
    display: block;
    font-size: 2.2rem;
    font-weight: 300;
    letter-spacing: 8px;
    animation: fadeInUp 0.8s ease-out 0.1s both;
}

.title-line2 {
    display: block;
    font-size: 4rem;
    font-weight: 900;
    letter-spacing: 6px;
    background: linear-gradient(135deg, #fff, #f39c12);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-subtitle {
    font-size: 1.1rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 36px;
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 4px 15px rgba(230, 126, 34, 0.4);
}

.btn-primary:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(230, 126, 34, 0.5);
}

.btn-outline {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-outline:hover {
    border-color: #fff;
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.hero-stats {
    display: flex;
    gap: 40px;
    animation: fadeInUp 0.8s ease-out 0.5s both;
}

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

.stat-number {
    display: block;
    font-family: 'Orbitron', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-light);
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 4px;
}

/* 3D 印章预览 */
.hero-stamp-preview {
    position: relative;
    z-index: 1;
    animation: fadeInRight 1s ease-out 0.5s both;
}

.stamp-3d {
    perspective: 800px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stamp-face {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: linear-gradient(135deg, #2c3e50, #34495e);
    border: 4px solid #e67e22;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: inset 0 0 30px rgba(0,0,0,0.3), 0 0 40px rgba(230, 126, 34, 0.2);
    transform: rotateX(20deg);
    transition: var(--transition);
}

.stamp-face:hover {
    transform: rotateX(0deg) scale(1.05);
}

.stamp-border-ring {
    position: absolute;
    inset: 8px;
    border-radius: 50%;
    border: 1px solid rgba(230, 126, 34, 0.4);
}

.stamp-call-sign {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.5rem;
    font-weight: 900;
    color: #fff;
    letter-spacing: 2px;
}

.stamp-cn-name {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 4px;
}

.stamp-qth {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 2px;
}

.stamp-qrcode {
    font-size: 0.5rem;
    color: rgba(255, 255, 255, 0.3);
    letter-spacing: 2px;
    margin-top: 4px;
}

.stamp-body {
    width: 80px;
    height: 100px;
    background: linear-gradient(180deg, #2c3e50, #1a252f);
    border-radius: 0 0 8px 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* ========== 通用区域头部 ========== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    background: rgba(230, 126, 34, 0.1);
    color: var(--accent);
    padding: 4px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 16px;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--text-light);
    max-width: 560px;
    margin: 0 auto;
}

/* ========== 产品展示 ========== */
.products {
    padding: 100px 0;
    background: var(--bg-light);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 28px;
}

.product-card {
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.product-image {
    height: 240px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.product-card:nth-child(1) .product-image { background: linear-gradient(135deg, #eef2f7, #d5e1f0); }
.product-card:nth-child(2) .product-image { background: linear-gradient(135deg, #f0f4ee, #dce8d5); }
.product-card:nth-child(3) .product-image { background: linear-gradient(135deg, #f7f0e8, #e8d9c5); }
.product-card:nth-child(4) .product-image { background: linear-gradient(135deg, #eef2f7, #c5d8ea); }

.product-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--accent);
    color: #fff;
    padding: 4px 14px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
}

.badge-new { background: var(--primary-light); }
.badge-premium { background: #8e44ad; }
.badge-portable { background: #27ae60; }

/* 印章模型 */
.stamp-mock {
    display: flex;
    flex-direction: column;
    align-items: center;
    transform: translateY(5px);
    transition: var(--transition);
}

.product-card:hover .stamp-mock {
    transform: translateY(-8px);
}

.mock-face {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, #2c3e50, #34495e);
    border: 3px solid #e67e22;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
}

.mock-ring {
    position: absolute;
    inset: 6px;
    border-radius: 50%;
    border: 1px solid rgba(230, 126, 34, 0.4);
}

.mock-call {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.7rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 1px;
}

.mock-name {
    font-size: 0.55rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 2px;
}

.mock-handle {
    width: 40px;
    height: 60px;
    background: linear-gradient(180deg, #34495e, #2c3e50);
    border-radius: 0 0 6px 6px;
}

.light-handle { background: linear-gradient(180deg, #4a6785, #34495e); }
.retract-handle { background: linear-gradient(180deg, #3d6b3d, #2c502c); width: 50px; border-radius: 0 0 10px 10px; }
.copper-handle { background: linear-gradient(180deg, #b87333, #8b5e2b); width: 36px; }
.mini-handle { background: linear-gradient(180deg, #4a6fa5, #345d8a); width: 30px; height: 40px; }

.copper-face { border-color: #b87333; }
.copper-ring { border-color: rgba(184, 115, 51, 0.5); }
.mini-face { width: 70px; height: 70px; }
.mini-ring { inset: 4px; border-color: rgba(74, 111, 165, 0.5); }

.retract-stamp .mock-frame {
    width: 70px;
    height: 10px;
    background: #3d6b3d;
    border-radius: 4px;
    margin-top: -2px;
}

.product-info {
    padding: 24px;
}

.product-name {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.product-desc {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 16px;
    line-height: 1.6;
}

.product-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.product-features li {
    font-size: 0.85rem;
    color: var(--text-light);
}

/* ========== 工艺流程 ========== */
.craft {
    padding: 100px 0;
    background: var(--bg);
}

.craft-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 32px;
    position: relative;
}

.craft-step {
    text-align: center;
    padding: 40px 28px;
    border-radius: var(--radius);
    background: var(--bg-light);
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
}

.craft-step:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: var(--accent);
}

.step-icon {
    font-size: 2.4rem;
    margin-bottom: 16px;
}

.step-number {
    font-family: 'Orbitron', sans-serif;
    font-size: 3rem;
    font-weight: 900;
    color: rgba(230, 126, 34, 0.12);
    position: absolute;
    top: 16px;
    right: 20px;
}

.step-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
}

.step-desc {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.7;
}

/* ========== 效果展示 ========== */
.showcase {
    padding: 100px 0;
    background: var(--bg-warm);
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

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

.showcase-caption {
    margin-top: 16px;
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 500;
}

/* QSL 卡片模拟 */
.qsl-card {
    background: #fff;
    border: 2px solid #1a5276;
    border-radius: 8px;
    padding: 24px;
    position: relative;
    box-shadow: var(--shadow);
    min-height: 260px;
}

.qsl-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
    padding-bottom: 12px;
    margin-bottom: 16px;
}

.qsl-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
}

.qsl-from {
    font-size: 0.8rem;
    color: var(--text-light);
    font-weight: 600;
}

.qsl-row {
    display: flex;
    gap: 12px;
    margin-bottom: 8px;
    font-size: 0.85rem;
}

.qsl-label {
    color: var(--text-lighter);
    min-width: 50px;
    font-weight: 600;
}

.qsl-value {
    color: var(--text);
}

.qsl-stamp-mark {
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 2px solid rgba(230, 126, 34, 0.6);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(230, 126, 34, 0.05);
    transform: rotate(-15deg);
}

.stamp-mark-ring {
    position: absolute;
    inset: 4px;
    border-radius: 50%;
    border: 1px solid rgba(230, 126, 34, 0.3);
}

.stamp-mark-call {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.55rem;
    font-weight: 700;
    color: var(--accent);
}

.stamp-mark-name {
    font-size: 0.45rem;
    color: var(--accent);
}

.stamp-mark-qth {
    font-size: 0.35rem;
    color: var(--accent);
    opacity: 0.7;
}

/* 独立盖印效果 */
.stamp-impression {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px;
}

.impression-circle {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    border: 3px solid var(--accent);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    background: rgba(230, 126, 34, 0.03);
    transform: rotate(-8deg);
}

.impression-ring {
    position: absolute;
    inset: 8px;
    border-radius: 50%;
    border: 1px solid rgba(230, 126, 34, 0.3);
}

.impression-call {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.2rem;
    font-weight: 900;
    color: var(--accent);
}

.impression-name {
    font-size: 0.8rem;
    color: var(--accent);
    margin-top: 2px;
}

.impression-qth {
    font-size: 0.65rem;
    color: var(--accent);
    opacity: 0.7;
}

.impression-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2px;
    margin-top: 6px;
    font-size: 0.45rem;
    color: var(--accent);
    opacity: 0.5;
}

/* 信封模拟 */
.stamp-on-envelope {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.envelope {
    width: 280px;
    height: 180px;
    background: linear-gradient(135deg, #fff9f0, #fef0dc);
    border: 2px solid #d4b896;
    border-radius: 4px;
    padding: 20px;
    position: relative;
    box-shadow: var(--shadow);
}

.envelope-stamp-area {
    position: absolute;
    top: 16px;
    right: 16px;
}

.postage-stamp {
    width: 50px;
    height: 60px;
    border: 2px dashed #b8860b;
    border-radius: 2px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    background: #fff;
}

.postage-text {
    font-size: 0.35rem;
    color: #b8860b;
    margin-top: 2px;
}

.envelope-address {
    margin-top: 20px;
}

.address-line {
    font-size: 0.8rem;
    color: var(--text);
    margin-bottom: 6px;
}

.envelope-qsl-stamp {
    position: absolute;
    bottom: 20px;
    left: 30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 2px solid rgba(230, 126, 34, 0.6);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(230, 126, 34, 0.05);
    transform: rotate(12deg);
}

/* ========== FAQ ========== */
.faq {
    padding: 100px 0;
    background: var(--bg);
}

.faq-list {
    max-width: 720px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 12px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: var(--accent);
}

.faq-item.active {
    border-color: var(--accent);
    box-shadow: 0 4px 20px rgba(230, 126, 34, 0.1);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark);
    text-align: left;
    transition: var(--transition);
}

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

.faq-icon {
    font-size: 1.4rem;
    font-weight: 300;
    color: var(--accent);
    transition: var(--transition);
    min-width: 24px;
    text-align: center;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-answer p {
    padding: 0 24px 20px;
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.8;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

/* ========== 页脚 ========== */
.footer {
    background: var(--dark);
    color: #fff;
    padding: 60px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-logo .logo-text {
    font-family: 'Orbitron', sans-serif;
    color: #fff;
}

.footer-logo .logo-accent {
    color: var(--accent);
}

.footer-desc {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--accent);
    transform: translateY(-3px);
}

.footer-links-group h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: #fff;
}

.footer-links-group ul {
    list-style: none;
}

.footer-links-group li {
    margin-bottom: 10px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
    transition: var(--transition);
}

.footer-links-group a {
    color: rgba(255, 255, 255, 0.5);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
}

.footer-ham {
    font-weight: 600;
}

/* ========== 回到顶部 ========== */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    box-shadow: 0 4px 15px rgba(230, 126, 34, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 999;
}

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

.back-to-top:hover {
    background: var(--accent-light);
    transform: translateY(-3px);
}

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

@keyframes fadeInRight {
    from { opacity: 0; transform: translateX(40px); }
    to { opacity: 1; transform: translateX(0); }
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
    .hero {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }

    .hero-content {
        max-width: 100%;
    }

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

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

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 20px;
        gap: 12px;
        box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

    .title-line1 { font-size: 1.6rem; letter-spacing: 4px; }
    .title-line2 { font-size: 2.6rem; }

    .hero-subtitle { font-size: 0.95rem; }

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

    .hero-stats {
        flex-wrap: wrap;
        gap: 24px;
    }

    .section-title { font-size: 1.8rem; }

    .product-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .showcase-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .craft-timeline {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 100px 16px 60px;
    }

    .title-line2 { font-size: 2.2rem; }

    .stat-number { font-size: 1.5rem; }

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

    .stamp-call-sign { font-size: 1.2rem; }
}