/* ==========================================================================
   Mo Studio - 全站樣式表 (CSS)
   莫蘭迪優雅紫灰風 (Elegant Morandi Palette Design)
   以 #D5D5E2 為核心的頂級質感、精準字體排版、毛玻璃導覽列與細膩微陰影
   ========================================================================== */

/* --- 1. CSS 變數定義 (色彩與排版系統) --- */
:root {
    /* 主背景色：純淨白與莫蘭迪極淺紫灰 */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f8fb;
    
    /* 毛玻璃與卡片設定 */
    --card-bg: rgba(255, 255, 255, 0.85);
    --card-border: #e8e8f0;
    --card-shadow: 0 12px 36px -6px rgba(42, 42, 64, 0.06);
    --card-shadow-hover: 0 20px 44px -8px rgba(213, 213, 226, 0.6);
    
    /* 品牌核心色系：以 #D5D5E2 為靈感延伸 */
    --brand-primary: #D5D5E2;         /* 莫蘭迪柔銀紫灰 (主調) */
    --brand-primary-hover: #b8b8cc;   /* 深一階紫灰 (Hover) */
    --brand-dark: #2a2a40;            /* 曜岩深紫黑 (用於重點按鈕與文字) */
    --brand-dark-hover: #3d3d5c;      /* 曜岩深紫黑 hover */
    --brand-gray: #7a7a95;            /* 柔和次要灰 */
    --brand-light: #f1f1f6;           /* 點綴用極淺灰 */
    
    /* 語意色彩 (符合無障礙與通用規範) */
    --accent-success: #10b981;        /* 成功綠 */
    --accent-warning: #f59e0b;        /* 警告黃 */
    --accent-error: #ef4444;          /* 錯誤紅 */
    
    /* 文字色彩 */
    --text-main: #2a2a40;             /* 主要內文字 */
    --text-muted: #7a7a95;            /* 次要說明字 */
    --text-heading: #1a1a2a;          /* 大標題極深黑 */
    
    /* 字體設定：現代科技幾何 Outfit 搭配工業科技感 IBM Plex Sans JP */
    --font-heading: 'Outfit', 'IBM Plex Sans JP', sans-serif;
    --font-body: 'IBM Plex Sans JP', sans-serif;
    --font-code: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* 轉場動畫時間 */
    --transition-speed: 0.3s;
}

/* --- 2. 基礎設定與重設 --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-main);
    line-height: 1.7;
    overflow-x: hidden;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

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

ul {
    list-style: none;
}

/* 常用容器設定 */
.container {
    max-width: 1150px;
    margin: 0 auto;
    padding: 0 2.5rem;
}

.section-padding {
    padding: 7rem 0;
}

/* --- 3. 高質感共用卡片樣式 (Morandi Glass Style) --- */
.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    box-shadow: var(--card-shadow);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed), border-color var(--transition-speed);
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-shadow-hover);
    border-color: var(--brand-primary);
}

/* 按鈕樣式 (圓潤高質感設計 Pill-shaped) */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.85rem 2rem;
    font-size: 1.05rem;
    font-weight: 700;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.25s ease;
    border: none;
    outline: none;
}

/* 主按鈕：深紫黑底配白字，營造高級穩重感 */
.btn-primary {
    background-color: var(--brand-dark);
    color: #ffffff;
    box-shadow: 0 6px 20px rgba(42, 42, 64, 0.25);
}

.btn-primary:hover {
    background-color: var(--brand-dark-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(42, 42, 64, 0.35);
}

/* 次按鈕：以核心莫蘭迪色 #D5D5E2 為底，深文字對比清晰 */
.btn-secondary {
    background-color: var(--brand-primary);
    color: var(--brand-dark);
    box-shadow: 0 4px 14px rgba(213, 213, 226, 0.4);
    font-weight: 700;
}

.btn-secondary:hover {
    background-color: var(--brand-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(213, 213, 226, 0.6);
}

/* 區塊標題共用結構 */
.section-title-area {
    text-align: center;
    margin-bottom: 4.5rem;
}

.section-subtitle {
    font-family: var(--font-heading);
    color: var(--brand-gray);
    text-transform: uppercase;
    letter-spacing: 3px;
    font-size: 0.85rem;
    font-weight: 700;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-top: 0.5rem;
    letter-spacing: -0.5px;
}

.title-underline {
    width: 60px;
    height: 4px;
    background: var(--brand-primary);
    margin: 1.2rem auto 0;
    border-radius: 2px;
}

/* --- 4. 頂部導覽列 (Navbar) --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.2rem 0;
    transition: all var(--transition-speed);
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(213, 213, 226, 0.2);
}

.navbar.scrolled {
    padding: 0.9rem 0;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 10px 30px rgba(42, 42, 64, 0.06);
    border-bottom: 1px solid var(--card-border);
}

.nav-container {
    max-width: 1150px;
    margin: 0 auto;
    padding: 0 2.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--brand-dark);
    letter-spacing: -0.5px;
}

.nav-logo-img {
    width: 44px;
    max-height: 44px;
    height: auto;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.logo:hover .nav-logo-img {
    transform: scale(1.1) rotate(5deg);
}

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

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
    position: relative;
    padding: 0.4rem 0;
    transition: color var(--transition-speed);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--brand-dark);
    transition: width var(--transition-speed);
}

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

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

.hamburger {
    display: none;
    font-size: 1.5rem;
    color: var(--brand-dark);
    cursor: pointer;
}

/* --- 5. 主視覺區 (Hero Section) --- */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 9rem 2.5rem 5rem;
    text-align: center;
    background: radial-gradient(circle at 50% 10%, var(--bg-secondary) 0%, var(--bg-primary) 80%);
    overflow: hidden;
}

/* 柔和發光的背景裝飾球體 */
.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.glow-sphere {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    opacity: 0.5;
}

.sphere-1 {
    width: 550px;
    height: 550px;
    background: var(--brand-primary); /* 使用核心色 #D5D5E2 散發柔和光芒 */
    top: -150px;
    left: 50%;
    transform: translateX(-50%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 850px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.badge {
    background-color: rgba(213, 213, 226, 0.3);
    border: 1px solid var(--brand-primary);
    color: var(--brand-dark);
    padding: 0.5rem 1.4rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.95rem;
    margin-bottom: 2rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 12px rgba(213, 213, 226, 0.2);
}

.main-title-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.6rem;
    margin-bottom: 1rem;
}

.hero-logo {
    width: 120px;
    max-height: 120px;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 8px 24px rgba(42, 42, 64, 0.15));
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.hero-logo:hover {
    transform: scale(1.1) rotate(6deg);
}

.main-title {
    font-family: var(--font-heading);
    font-size: 5.5rem;
    font-weight: 700;
    color: var(--text-heading);
    line-height: 1.05;
    letter-spacing: -2px;
}

.subtitle {
    font-family: var(--font-heading);
    font-size: 2.1rem;
    font-weight: 500;
    color: var(--brand-gray);
    margin-bottom: 2rem;
    letter-spacing: -0.5px;
}

.hero-desc {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 680px;
    margin-bottom: 3rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1.2rem;
}

/* --- 5.5. 品牌形象大橫幅 (Banner Section) --- */
.banner-section {
    background-color: var(--bg-primary);
    padding: 2rem 0 5rem;
}

/* 橫幅外層毛玻璃容器，保護圖片並提升質感 */
.banner-wrapper {
    padding: 1.2rem;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 28px;
    box-shadow: 0 16px 40px -8px rgba(42, 42, 64, 0.08);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed), border-color var(--transition-speed);
}

/* 橫幅圖片設定，支援平滑縮放動畫 */
.brand-banner-img {
    width: 100%;
    height: auto;
    max-height: 550px;
    object-fit: cover;
    border-radius: 20px;
    transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: block;
}

/* 當滑鼠懸停於外框時，圖片展現微幅放大效果 */
.banner-wrapper:hover .brand-banner-img {
    transform: scale(1.025);
}

/* --- 6. 關於研究室 (About Section) --- */
.about-section {
    background-color: var(--bg-primary);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    margin-bottom: 4rem;
}

.about-card {
    padding: 3.5rem 2.5rem;
    text-align: center;
    background-color: var(--bg-secondary);
    border: 1px solid var(--card-border);
}

.card-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    background-color: var(--brand-primary);
    color: var(--brand-dark);
    border-radius: 20px;
    box-shadow: 0 8px 20px rgba(213, 213, 226, 0.5);
    transition: transform 0.3s ease;
}

.about-card:hover .card-icon {
    transform: scale(1.1) rotate(5deg);
}

.about-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--brand-dark);
}

.about-card p {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.7;
}

.about-intro-box {
    padding: 4rem;
    background: linear-gradient(135deg, var(--bg-secondary), #ffffff);
    border-left: 6px solid var(--brand-primary);
    border-radius: 28px;
    box-shadow: var(--card-shadow);
}

.intro-text h3 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
    color: var(--brand-dark);
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.intro-text p {
    font-size: 1.2rem;
    line-height: 1.85;
    color: var(--text-main);
    font-weight: 500;
}

/* --- 7. 服務項目與 APP (Services Section) --- */
.services-section {
    background-color: var(--bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

.service-card {
    padding: 3.5rem 2.5rem;
    position: relative;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-primary);
}

.service-badge {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background-color: #ecfdf5;
    color: var(--accent-success);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.service-badge.special {
    background-color: var(--brand-primary);
    color: var(--brand-dark);
    border-color: var(--brand-primary-hover);
}

.service-icon {
    font-size: 2.8rem;
    color: var(--brand-dark);
    margin-bottom: 2rem;
}

.service-title {
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--brand-dark);
    margin-bottom: 1.2rem;
    letter-spacing: -0.5px;
}

.service-desc {
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    flex-grow: 1;
    font-size: 1.05rem;
}

.service-features {
    border-top: 1px solid var(--card-border);
    padding-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 1rem;
    color: var(--brand-dark);
    font-weight: 500;
}

.service-features li i {
    color: var(--accent-success);
}

/* 專屬 APP 區塊特別樣式 */
.app-card {
    background: linear-gradient(180deg, #ffffff 0%, var(--bg-secondary) 100%);
    border: 1px solid var(--brand-primary);
}

.app-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.app-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.9rem;
    background-color: var(--brand-dark);
    color: #ffffff;
    border-radius: 16px;
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.25s ease;
}

.app-btn:hover {
    background-color: #1a1a2a;
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

/* --- 8. 營業與聯絡資訊 (Info & Contact Section) --- */
.info-contact-section {
    background-color: var(--bg-primary);
}

.info-contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 3.5rem;
}

.info-box {
    padding: 3.5rem 3rem;
    background-color: var(--bg-secondary);
}

.info-header {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    margin-bottom: 0.8rem;
}

.info-main-icon {
    font-size: 2.4rem;
    color: var(--brand-dark);
}

.info-box h3 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--brand-dark);
    letter-spacing: -0.5px;
}

.info-subtitle {
    color: var(--text-muted);
    margin-bottom: 2.8rem;
    font-size: 1.05rem;
}

.time-list {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    margin-bottom: 3.5rem;
}

.time-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.4rem 1.8rem;
    background-color: #ffffff;
    border-radius: 18px;
    box-shadow: 0 4px 16px rgba(42, 42, 64, 0.03);
    font-size: 1.1rem;
    border-left: 5px solid var(--brand-dark);
}

.time-item .day {
    font-weight: 700;
    color: var(--brand-dark);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.time-item .hours {
    font-family: var(--font-heading);
    color: var(--brand-dark);
    background-color: var(--brand-primary);
    padding: 0.2rem 0.8rem;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.95rem;
}

.time-item.closed {
    border-left-color: var(--accent-error);
}

.time-item.closed .hours {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--accent-error);
}

.contact-direct {
    border-top: 1px solid var(--card-border);
    padding-top: 2.8rem;
}

.email-box {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background-color: #ffffff;
    border: 1px solid var(--card-border);
    padding: 1.8rem;
    border-radius: 22px;
    box-shadow: 0 6px 20px rgba(42, 42, 64, 0.04);
}

.email-box i {
    font-size: 2.2rem;
    color: var(--brand-dark);
}

.email-box span {
    display: block;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.3rem;
}

.email-link {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--brand-dark);
    letter-spacing: 0.2px;
}

.email-link:hover {
    color: var(--brand-gray);
}

/* 聯絡表單樣式 */
.contact-box {
    padding: 4rem 3.5rem;
    background-color: #ffffff;
    border: 1px solid var(--card-border);
}

.contact-box h3 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--brand-dark);
    margin-bottom: 0.8rem;
    letter-spacing: -0.5px;
}

.contact-box p {
    color: var(--text-muted);
    margin-bottom: 3rem;
    font-size: 1.05rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.8rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.form-group label {
    font-size: 1rem;
    font-weight: 700;
    color: var(--brand-dark);
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.form-group label i {
    color: var(--brand-gray);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 1.1rem 1.4rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    color: var(--brand-dark);
    font-family: inherit;
    font-size: 1.05rem;
    transition: all 0.25s ease;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    background-color: #ffffff;
    border-color: var(--brand-dark);
    outline: none;
    box-shadow: 0 0 0 4px rgba(213, 213, 226, 0.5);
}

.submit-btn {
    margin-top: 1.2rem;
    width: 100%;
    padding: 1.2rem;
    font-size: 1.1rem;
}

/* --- 9. 頁尾 (Footer) --- */
.footer {
    border-top: 1px solid var(--card-border);
    padding: 5rem 0 3.5rem;
    background-color: var(--bg-secondary);
    color: var(--text-muted);
}

.footer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--brand-dark);
    margin-bottom: 0.8rem;
    letter-spacing: -0.5px;
}

.footer-slogan {
    margin-bottom: 2.2rem;
    font-size: 1.05rem;
}

.footer-social {
    display: flex;
    gap: 1.2rem;
    margin-bottom: 3rem;
}

.footer-social a {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: #ffffff;
    border: 1px solid var(--card-border);
    color: var(--brand-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    transition: all 0.25s ease;
}

.footer-social a:hover {
    background-color: var(--brand-dark);
    color: #ffffff;
    border-color: var(--brand-dark);
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(42, 42, 64, 0.2);
}

.footer-bottom {
    border-top: 1px solid var(--card-border);
    width: 100%;
    padding-top: 2.5rem;
    font-size: 0.9rem;
}

/* --- 10. 彈出成功視窗 (Modal) --- */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 26, 42, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal.show {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    max-width: 500px;
    width: 90%;
    padding: 4rem 3rem;
    text-align: center;
    background-color: #ffffff;
    border: 1px solid var(--card-border);
    border-radius: 32px;
    box-shadow: 0 24px 70px rgba(42, 42, 64, 0.2);
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.modal.show .modal-content {
    transform: scale(1);
}

.modal-icon {
    font-size: 4.5rem;
    color: var(--accent-success);
    margin-bottom: 1.8rem;
}

.modal-content h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--brand-dark);
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.modal-content p {
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    line-height: 1.8;
    font-size: 1.05rem;
}

/* --- 11. 響應式設定 (RWD) --- */
@media (max-width: 1200px) {
    .container, .nav-container { padding: 0 2rem; }
}

@media (max-width: 992px) {
    .main-title { font-size: 4.2rem; }
    .subtitle { font-size: 1.8rem; }
    
    .about-grid, .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .info-contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hamburger { display: block; }
    
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        gap: 1.8rem;
        padding: 2.5rem 0;
        border-bottom: 1px solid var(--card-border);
        box-shadow: 0 12px 36px rgba(42, 42, 64, 0.08);
        clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
        transition: clip-path 0.35s ease;
    }
    
    .nav-links.nav-active {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    }

    .main-title-wrapper { gap: 1rem; }
    .hero-logo { width: 85px; max-height: 85px; }
    .main-title { font-size: 3.2rem; }
    .subtitle { font-size: 1.5rem; }
    .hero-desc { font-size: 1.1rem; }
    .hero-buttons { flex-direction: column; width: 100%; max-width: 300px; }
    
    .about-grid, .services-grid {
        grid-template-columns: 1fr;
    }

    .section-padding { padding: 5rem 0; }
    .info-box, .contact-box { padding: 3rem 2rem; }
    .about-intro-box { padding: 2.5rem 2rem; }
}