/* ===================================================
   ABOUT PAGE STYLES
   =================================================== */

/* Hero */
.about-hero {
    position: relative;
    height: 45vh;
    min-height: 340px;
    max-height: 520px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.about-hero-bg {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    object-fit: cover;
    z-index: 0;
}

.about-hero-overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.55);
    z-index: 1;
}

.about-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding-top: 60px;
}

.about-hero-content h1 {
    font-family: var(--font-en);
    font-size: 56px;
    font-weight: 800;
    letter-spacing: 8px;
    line-height: 1.15;
    margin-bottom: 16px;
}

.about-hero-content p {
    font-size: 18px;
    color: var(--text-light);
    line-height: 1.6;
}

/* Introduction */
.about-intro {
    padding: 120px 0;
    background: var(--bg-dark);
}

.intro-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 80px;
    align-items: start;
}

.intro-label {
    font-family: var(--font-en);
    font-size: 14px;
    letter-spacing: 5px;
    color: var(--gold);
    margin-bottom: 30px;
    font-weight: 400;
}

.intro-title {
    font-size: 40px;
    font-weight: 800;
    line-height: 1.35;
    margin-bottom: 28px;
}

.intro-body p {
    color: var(--text-gray);
    font-size: 17px;
    line-height: 1.85;
    margin-bottom: 6px;
    max-width: 62ch;
}

/* CEO Greeting Box */
.ceo-greeting-box {
    margin-top: 50px;
    padding: 38px 34px;
    background: linear-gradient(135deg, rgba(30, 50, 40, 0.6) 0%, rgba(20, 30, 25, 0.8) 100%);
    border-left: 3px solid var(--gold);
    border-radius: 0 16px 16px 0;
}

.greeting-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--gold);
    margin-bottom: 22px;
}

.greeting-body p {
    color: var(--text-light);
    font-size: 16px;
    line-height: 1.9;
    margin-bottom: 2px;
    max-width: 62ch;
}

.greeting-body br { line-height: 2.2; }

.greeting-divider {
    width: 60%;
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: 30px 0;
}

.greeting-closing {
    color: var(--text-white) !important;
    font-size: 17px !important;
}

.intro-image img {
    width: 100%;
    display: block;
}

/* Why Luda */
.about-why {
    padding: 120px 0;
    background: var(--bg-darker);
}

.about-why-label {
    text-align: center;
    font-family: var(--font-en);
    font-size: 14px;
    letter-spacing: 5px;
    color: var(--gold);
    margin-bottom: 20px;
}

.about-why-heading {
    text-align: center;
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 14px;
}

.about-why-subtitle {
    text-align: center;
    color: var(--text-gray);
    font-size: 17px;
    margin-bottom: 56px;
}

.why-four-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.why-four-card {
    background: rgba(40, 70, 55, 0.25);
    border: 1px solid rgba(192, 156, 103, 0.15);
    border-radius: 16px;
    padding: 34px 26px;
    transition: var(--transition);
}

.why-four-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-gold);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.why-four-num {
    font-family: var(--font-en);
    font-size: 40px;
    font-weight: 400;
    color: var(--gold);
    opacity: 0.5;
    display: block;
    margin-bottom: 25px;
}

.why-four-card h3 {
    font-size: 20px;
    font-weight: 700;
    line-height: 1.45;
    margin-bottom: 16px;
}

.why-four-card p {
    color: var(--text-gray);
    font-size: 15px;
    line-height: 1.75;
}

/* CEO Profile */
.about-profile {
    padding: 120px 0;
    background: var(--bg-dark);
    position: relative;
    overflow: hidden;
}

.profile-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 80px;
    align-items: start;
}

.profile-label {
    font-family: var(--font-en);
    font-size: 14px;
    letter-spacing: 5px;
    color: var(--gold);
    margin-bottom: 30px;
}

.profile-name-kr {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 8px;
}

.profile-name-en {
    font-family: var(--font-en);
    font-size: 22px;
    font-weight: 600;
    color: var(--gold);
    margin-bottom: 8px;
}

.profile-role {
    color: var(--text-gray);
    font-size: 16px;
    margin-bottom: 44px;
}

.profile-section-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 20px;
    margin-top: 44px;
}

/* Career Timeline */
.career-timeline {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.career-item {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 16px 22px;
    background: linear-gradient(135deg, rgba(30, 50, 40, 0.4), rgba(20, 30, 25, 0.6));
    border: 1px solid rgba(192, 156, 103, 0.12);
    border-radius: 10px;
}

.career-date {
    font-family: var(--font-en);
    font-size: 15px;
    font-weight: 600;
    color: var(--gold);
    min-width: 96px;
    white-space: nowrap;
}

.career-desc {
    color: var(--text-light);
    font-size: 16px;
    line-height: 1.6;
}

/* Specialty Tags */
.specialty-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.specialty-tag {
    padding: 10px 22px;
    border: 1px solid var(--gold);
    border-radius: 30px;
    font-size: 15px;
    color: var(--gold);
    transition: var(--transition);
}

.specialty-tag:hover {
    background: rgba(192, 156, 103, 0.15);
}

.profile-image img {
    width: 100%;
    max-width: 450px;
    margin-left: auto;
    display: block;
}

/* Contact CTA */
.about-cta {
    padding: 120px 0;
    background: #0b5046; /* Teal background */
    position: relative;
    overflow: hidden;
}

/* Big L shape graphic in background */
.about-cta::before {
    content: '';
    position: absolute;
    bottom: -50px;
    left: 10%;
    width: 300px;
    height: 600px;
    border-left: 50px solid rgba(135, 185, 135, 0.15);
    border-bottom: 50px solid rgba(135, 185, 135, 0.15);
    transform: rotate(-15deg);
    z-index: 0;
}

.about-cta-content {
    position: relative;
    z-index: 1;
}

.about-cta-label {
    font-family: var(--font-en);
    font-size: 14px;
    letter-spacing: 5px;
    color: var(--gold-light);
    margin-bottom: 22px;
}

.about-cta-title {
    font-size: 42px;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 20px;
    color: #ffffff;
}

.about-cta-desc {
    color: #e0e0e0;
    font-size: 17px;
    font-weight: 400;
    margin-bottom: 6px;
    line-height: 1.7;
}

.about-cta .btn-cta {
    display: inline-block;
    margin-top: 36px;
    min-height: 54px;
    padding: 14px 38px;
    line-height: 1.3;
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    color: #1a1a1a;
    font-size: 17px;
    font-weight: 700;
    border-radius: 50px;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
}

.about-cta .btn-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

/* Scroll Animations
   JS 가 body 에 .js-animate 를 붙인 뒤에만 숨기므로,
   스크립트가 실패해도 내용은 그대로 보인다. */
.js-animate .animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

@media (prefers-reduced-motion: reduce) {
    .js-animate .animate-on-scroll {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* Stagger delays for grid items */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* Responsive */
@media (max-width: 1024px) {
    .intro-grid, .profile-grid { grid-template-columns: 1fr; gap: 40px; }
    .why-four-grid { grid-template-columns: 1fr 1fr; }
    .intro-title, .about-cta-title { font-size: 32px; }
    .profile-name-kr { font-size: 42px; }
}

@media (max-width: 768px) {
    .about-intro, .about-why, .about-profile, .about-cta { padding: 64px 0; }
    .about-hero { height: 34vh; min-height: 240px; }
    .about-hero-content { padding-top: 40px; }
    .about-hero-content h1 { font-size: 32px; letter-spacing: 4px; }
    .about-hero-content p { font-size: 15px; }

    .intro-label, .about-why-label, .profile-label, .about-cta-label {
        font-size: 12px;
        letter-spacing: 3px;
        margin-bottom: 14px;
    }
    .intro-title, .about-cta-title { font-size: 25px; }
    .intro-body p { font-size: 15px; }
    .ceo-greeting-box { margin-top: 36px; padding: 26px 20px; border-radius: 0 12px 12px 0; }
    .greeting-title { font-size: 19px; margin-bottom: 16px; }
    .greeting-body p { font-size: 15px; line-height: 1.85; }
    .greeting-closing { font-size: 16px !important; }
    .greeting-divider { width: 100%; margin: 22px 0; }

    .why-four-grid { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; gap: 16px; }
    .about-why-heading { font-size: 25px; }
    .about-why-subtitle { font-size: 15px; margin-bottom: 32px; }
    .why-four-card { padding: 26px 20px; }
    .why-four-num { font-size: 32px; margin-bottom: 16px; }
    .why-four-card h3 { font-size: 18px; margin-bottom: 12px; }
    .why-four-card p { font-size: 14.5px; }

    .profile-name-kr { font-size: 34px; }
    .profile-name-en { font-size: 18px; }
    .profile-role { font-size: 15px; margin-bottom: 32px; }
    .profile-section-title { font-size: 19px; margin-top: 34px; margin-bottom: 16px; }
    .career-item { flex-direction: column; align-items: flex-start; gap: 4px; padding: 14px 18px; }
    .career-date { font-size: 14px; min-width: 0; }
    .career-desc { font-size: 15px; }
    .specialty-tag { font-size: 14px; padding: 9px 18px; }

    .about-cta-desc { font-size: 15px; }
    .about-cta .btn-cta { font-size: 16px; padding: 14px 28px; min-height: 50px; width: 100%; max-width: 320px; }
    .about-cta::before { display: none; }

    .intro-image { order: -1; }
    .intro-image img, .profile-image img { max-width: 320px; margin: 0 auto; }
}

@media (max-width: 430px) {
    .intro-title, .about-cta-title { font-size: 22px; }
    .about-why-heading { font-size: 22px; }
    .about-hero-content h1 { font-size: 27px; }
    .profile-name-kr { font-size: 30px; }
}