/* =========================
   基本設定
========================= */

html {
    scroll-behavior: smooth;
    scroll-padding-top: 85px;
}

body {
    margin: 0;
    font-family: Arial, "Microsoft JhengHei", sans-serif;
    color: #1e293b;
    background: #ffffff;
}

a {
    text-decoration: none;
}


/* =========================
   導覽列
========================= */

.navbar {
    background: rgba(15, 23, 42, 0.96);
    backdrop-filter: blur(10px);
    padding: 15px 0;
}

.navbar-brand {
    font-size: 25px;
    letter-spacing: 1px;
}

.nav-link {
    margin-left: 14px;
    color: #ffffff !important;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #93c5fd !important;
}


/* =========================
   首頁
========================= */

.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, #0f172a, #1e3a8a);
    color: white;
    overflow: hidden;
}

.hero-content {
    padding-top: 80px;
    padding-bottom: 40px;
}

.subtitle {
    letter-spacing: 4px;
    font-size: 14px;
    font-weight: 700;
    color: #93c5fd;
    margin-bottom: 18px;
}

.hero h1 {
    font-size: clamp(46px, 6vw, 72px);
    font-weight: 800;
    margin-bottom: 18px;
}

.hero h1 span {
    color: #60a5fa;
}

.hero h2 {
    font-size: clamp(20px, 3vw, 27px);
    font-weight: 400;
    margin-bottom: 25px;
}

.hero-text {
    max-width: 590px;
    font-size: 17px;
    line-height: 1.9;
    color: #dbeafe;
}

.hero-image {
    text-align: center;
    padding: 100px 25px 30px;
}

.profile-photo {
    display: block;
    width: 100%;
    max-width: 370px;
    height: 460px;
    margin: 0 auto;
    object-fit: cover;
    object-position: center 65%;
    border-radius: 180px 180px 24px 24px;
    border: 4px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
    transition: transform 0.3s ease;
}

.profile-photo:hover {
    transform: translateY(-6px);
}

.photo-caption {
    margin-top: 20px;
    color: #dbeafe;
    font-size: 13px;
    letter-spacing: 1px;
}


/* =========================
   按鈕
========================= */

.btn-main {
    margin-top: 20px;
    margin-right: 8px;
    padding: 12px 26px;
    border-radius: 30px;
    background: #3b82f6;
    color: white;
    border: 1px solid #3b82f6;
    transition: all 0.3s ease;
}

.btn-main:hover {
    background: #2563eb;
    border-color: #2563eb;
    color: white;
    transform: translateY(-3px);
}

.btn-outline-light {
    margin-top: 20px;
    padding: 12px 26px;
    border-radius: 30px;
}


/* =========================
   通用區塊
========================= */

.section {
    padding: 100px 0;
}

.section-light {
    background: #f8fafc;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title > p {
    color: #3b82f6;
    letter-spacing: 3px;
    font-size: 13px;
    font-weight: 800;
    margin-bottom: 10px;
}

.section-title h2 {
    font-size: clamp(32px, 4vw, 42px);
    font-weight: 800;
    color: #0f172a;
    margin-bottom: 12px;
}

.section-title > span {
    color: #64748b;
    font-size: 15px;
}


/* =========================
   關於我
========================= */

.about-card {
    padding: 50px 30px;
    text-align: center;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 24px;
}

.about-icon {
    font-size: 75px;
    margin-bottom: 20px;
}

.about-card h3 {
    font-size: 28px;
    font-weight: 800;
}

.about-card p {
    color: #64748b;
}

.about-tag {
    display: inline-block;
    margin-top: 15px;
    padding: 8px 14px;
    background: #dbeafe;
    color: #1d4ed8;
    border-radius: 20px;
    font-size: 12px;
}

.about-heading {
    font-size: 30px;
    font-weight: 800;
    margin-bottom: 22px;
}

.body-text {
    color: #64748b;
    line-height: 1.9;
    margin-bottom: 18px;
}

.info-list {
    margin-top: 30px;
}

.info-list div {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 14px;
}

.info-list strong {
    width: 85px;
    color: #0f172a;
}

.info-list span {
    color: #64748b;
}


/* =========================
   專業技能
========================= */

.skill-card {
    height: 100%;
    padding: 35px 24px;
    text-align: center;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.skill-card:hover {
    transform: translateY(-7px);
    box-shadow: 0 15px 35px rgba(15, 23, 42, 0.08);
}

.skill-icon {
    font-size: 44px;
    margin-bottom: 20px;
}

.skill-card h3 {
    font-size: 21px;
    font-weight: 800;
    margin-bottom: 15px;
}

.skill-card p {
    color: #64748b;
    line-height: 1.8;
    margin-bottom: 0;
}


/* =========================
   Microsoft 證照
========================= */

.cert-card {
    height: 100%;
    padding: 32px;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 22px;
    box-shadow: 0 8px 25px rgba(15, 23, 42, 0.04);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cert-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 15px 35px rgba(15, 23, 42, 0.10);
}

.cert-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    margin-bottom: 25px;
}

.cert-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    background: #eff6ff;
    border-radius: 16px;
}

.cert-brand {
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 2px;
    color: #2563eb;
}

.cert-code {
    color: #2563eb;
    font-size: 18px;
    font-weight: 800;
    margin-bottom: 8px;
}

.cert-card h3 {
    color: #0f172a;
    font-size: 23px;
    font-weight: 800;
    line-height: 1.5;
    margin-bottom: 18px;
}

.cert-description {
    color: #64748b;
    line-height: 1.9;
    min-height: 110px;
}

.cert-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 22px;
}

.cert-tags span {
    padding: 7px 12px;
    background: #eff6ff;
    color: #1d4ed8;
    border-radius: 20px;
    font-size: 12px;
}

.cert-status {
    margin-top: 22px;
    padding-top: 15px;
    border-top: 1px solid #e2e8f0;
    color: #64748b;
    font-size: 12px;
    line-height: 1.7;
}


/* =========================
   我的興趣
========================= */

.interest-card {
    height: 100%;
    padding: 35px 22px;
    text-align: center;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.interest-card:hover {
    transform: translateY(-7px);
    background: #eff6ff;
}

.interest-icon {
    font-size: 48px;
    margin-bottom: 18px;
}

.interest-card h3 {
    font-size: 19px;
    font-weight: 800;
    margin-bottom: 14px;
}

.interest-card p {
    color: #64748b;
    line-height: 1.8;
    margin-bottom: 0;
}


/* =========================
   聯絡我
========================= */

.contact-section {
    background: #0f172a;
    color: white;
}

.contact-section .section-title h2 {
    color: white;
}

.contact-section .section-title > p {
    color: #60a5fa;
}

.contact-text {
    max-width: 650px;
    margin: 0 auto;
    color: #cbd5e1;
    font-size: 17px;
    line-height: 1.9;
}


/* =========================
   頁尾
========================= */

footer {
    text-align: center;
    padding: 25px 15px;
    background: #020617;
    color: #94a3b8;
}

footer p {
    margin: 0;
    font-size: 13px;
}


/* =========================
   手機與平板
========================= */

@media (max-width: 991px) {
    .hero {
        padding: 90px 0 50px;
    }

    .hero-content {
        padding-top: 45px;
    }

    .hero-image {
        padding: 25px 15px;
    }

    .profile-photo {
        max-width: 300px;
        height: 370px;
    }

    .section {
        padding: 75px 0;
    }

    .cert-description {
        min-height: auto;
    }
}

@media (max-width: 576px) {
    .hero h1 {
        font-size: 44px;
    }

    .hero-text {
        font-size: 15px;
    }

    .section {
        padding: 65px 0;
    }

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

    .cert-card {
        padding: 25px;
    }

    .cert-card h3 {
        font-size: 21px;
    }

    .info-list div {
        gap: 8px;
    }
}