/* ========================================
   공병호TV Landing Page Styles
   Color Palette:
   - Primary: #1B263B (Midnight Indigo)
   - Accent: #E8DAB2 (Warm Gold)
   - Background: #EAEDED (Light Gray)
   Font: Noto Serif KR
======================================== */

:root {
    --color-primary: #1B263B;
    --color-primary-light: #2d3a52;
    --color-primary-dark: #0d1321;
    --color-accent: #E8DAB2;
    --color-accent-dark: #d4c49a;
    --color-background: #EAEDED;
    --color-white: #ffffff;
    --color-text: #2c3e50;
    --color-text-light: #5a6a7a;
    --color-success: #27ae60;
    --color-danger: #e74c3c;
    --font-primary: 'Noto Serif KR', serif;
    --shadow-soft: 0 4px 20px rgba(27, 38, 59, 0.08);
    --shadow-medium: 0 8px 30px rgba(27, 38, 59, 0.12);
    --shadow-strong: 0 12px 40px rgba(27, 38, 59, 0.18);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    padding-bottom: 100px;
}

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

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

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

/* ========================================
   Header
======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(27, 38, 59, 0.95);
    backdrop-filter: blur(10px);
    padding: 16px 0;
    transition: var(--transition);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 40px;
    height: 40px;

    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 18px;
}

.logo-text {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-white);
    letter-spacing: -0.5px;
}

.nav {
    display: flex;
    gap: 32px;
}

.nav a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 15px;
    font-weight: 500;
}

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

/* ========================================
   Hero Section
======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: url(../images/bgc.png) no-repeat center center;
    background-size: cover;
    overflow: hidden;
    padding-top: 0;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

/* Hero Background Image */
.hero-bg-image {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(27, 38, 59, 0.85) 0%, rgba(13, 19, 33, 0.9) 100%);
}

/* Stock Ticker */
.stock-ticker {
    position: absolute;
    top: 40px;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.3);
    padding: 12px 0;
    overflow: hidden;
    z-index: 5;
}

.ticker-wrap {
    display: flex;
    animation: ticker 30s linear infinite;
    gap: 60px;
}

@keyframes ticker {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.ticker-item {
    display: flex;
    align-items: center;
    gap: 12px;
    white-space: nowrap;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

.ticker-symbol {
    color: var(--color-accent);
    font-weight: 600;
}

.ticker-value {
    font-weight: 500;
}

.ticker-change {
    font-size: 13px;
}

.ticker-change.up { color: #4ade80; }
.ticker-change.down { color: #f87171; }
.ticker-value.up { color: #4ade80; }
.ticker-value.down { color: #f87171; }

/* Chart Lines Background */
.chart-lines {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 400px;
    opacity: 0.15;
}

.chart-lines svg {
    width: 100%;
    height: 100%;
}

.chart-path {
    fill: none;
    stroke: var(--color-accent);
    stroke-width: 2;
}

.chart-path-1 {
    animation: chartMove1 8s ease-in-out infinite;
}

.chart-path-2 {
    stroke-width: 1.5;
    opacity: 0.6;
    animation: chartMove2 10s ease-in-out infinite;
}

@keyframes chartMove1 {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

@keyframes chartMove2 {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(15px); }
}

/* Hero Content */
.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: var(--color-white);
    padding: 60px 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(232, 218, 178, 0.15);
    border: 1px solid rgba(232, 218, 178, 0.3);
    color: var(--color-accent);
    padding: 10px 24px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 32px;
    animation: fadeInUp 0.8s ease;
}

.hero-title {
    font-size: 52px;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease 0.1s both;
}

.title-line {
    display: block;
    font-size: 32px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 8px;
}

.title-highlight {
    display: block;
    background: linear-gradient(135deg, var(--color-accent), #f5e6c8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.7);
    max-width: 600px;
    margin: 0 auto 48px;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 48px;
    animation: fadeInUp 0.8s ease 0.3s both;
}

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

.stat-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

.stat-divider {
    width: 1px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.5);
    font-size: 24px;
    animation: bounce 2s infinite;
}

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

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

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

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(27, 38, 59, 0.08);
    color: var(--color-primary);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 20px;
}

.section-title {
    font-size: 38px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-desc {
    font-size: 18px;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   About Section
======================================== */
.section-about {
    background: var(--color-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    position: relative;
}

.image-frame {
    position: relative;
    ;
    border-radius: 20px;
    text-align: center;
}

.image-placeholder {
    width: 200px;
    height: 200px;
    background: rgba(232, 218, 178, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.image-placeholder i {
    font-size: 80px;
    color: var(--color-accent);
}

.image-badge {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-accent);
    color: var(--color-primary);
    padding: 12px 24px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow-medium);
    white-space: nowrap;
}

.about-content h3 {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.about-role {
    font-size: 16px;
    color: var(--color-accent-dark);
    margin-bottom: 24px;
    font-weight: 500;
}

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

.about-credentials {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 32px;
}

.credential-item {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--color-background);
    padding: 12px 20px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-primary);
}

.credential-item i {
    color: var(--color-accent-dark);
}

/* ========================================
   Features Section
======================================== */
.section-features {
    background: var(--color-background);
}

.section-features.alt {
    background: var(--color-white);
}

.feature-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.feature-row.reverse {
    direction: rtl;
}

.feature-row.reverse > * {
    direction: ltr;
}

.feature-visual {
    display: flex;
    justify-content: center;
}

/* Feature Images */
.feature-image {
    position: relative;
    width: 100%;
    max-width: 500px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-strong);
}

.feature-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

.feature-image:hover img {
    transform: scale(1.03);
}

.feature-card {
    position: relative;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: 24px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    min-height: 300px;
    box-shadow: var(--shadow-strong);
}

.card-icon {
    position: absolute;
    top: 24px;
    right: 24px;
    width: 50px;
    height: 50px;
    background: rgba(232, 218, 178, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    font-size: 22px;
}

.card-chart {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    height: 200px;
    padding-top: 60px;
}

.mini-chart {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    height: 150px;
}

.chart-bar {
    width: 30px;
    background: linear-gradient(180deg, var(--color-accent) 0%, rgba(232, 218, 178, 0.3) 100%);
    border-radius: 6px 6px 0 0;
    transition: var(--transition);
}

.feature-card:hover .chart-bar {
    animation: barPulse 0.5s ease;
}

@keyframes barPulse {
    0%, 100% { transform: scaleY(1); }
    50% { transform: scaleY(1.1); }
}

.stock-display {
    padding-top: 60px;
}

.stock-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.stock-row:last-child {
    border-bottom: none;
}

.stock-name {
    color: rgba(255, 255, 255, 0.7);
    font-size: 15px;
}

.stock-price {
    color: var(--color-white);
    font-weight: 600;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.stock-price.up { color: #4ade80; }
.stock-price.down { color: #f87171; }

.feature-content {
    padding: 20px 0;
}

.feature-tag {
    display: inline-block;
    background: var(--color-primary);
    color: var(--color-accent);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 20px;
}

.feature-content h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 16px;
    line-height: 1.3;
}

.feature-content > p {
    font-size: 16px;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 24px;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--color-text);
    margin-bottom: 12px;
}

.feature-list li i {
    color: var(--color-success);
    font-size: 16px;
}

/* ========================================
   Community Section
======================================== */
.section-community {
    background: linear-gradient(180deg, var(--color-background) 0%, var(--color-white) 100%);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.benefit-card {
    background: var(--color-white);
    border-radius: 20px;
    padding: 36px 28px;
    text-align: center;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
}

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

.benefit-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.benefit-icon i {
    font-size: 28px;
    color: var(--color-accent);
}

.benefit-card h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.benefit-card p {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.7;
}

.community-cta {
    display: flex;
    justify-content: center;
}

.cta-box {
    background: var(--color-primary);
    border-radius: 24px;
    padding: 40px 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    max-width: 800px;
    width: 100%;
}

.cta-content h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 8px;
}

.cta-content p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
}

.btn-cta-inline {
    background: var(--color-accent);
    color: var(--color-primary);
    border: none;
    padding: 16px 36px;
    border-radius: 12px;
    font-family: var(--font-primary);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn-cta-inline:hover {
    background: var(--color-accent-dark);
    transform: translateX(5px);
    border-radius: 15px;
}

.btn-cta-inline .btn-icon {
    width: 32px;
    height: 32px;
    object-fit: contain;

}

/* ========================================
   Reviews Section
======================================== */
.section-reviews {
    background: var(--color-white);
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.review-card {
    background: var(--color-background);
    border-radius: 20px;
    padding: 32px;
    transition: var(--transition);
}

.review-card:hover {
    box-shadow: var(--shadow-soft);
}

.review-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.reviewer-avatar {
    width: 56px;
    height: 56px;
    background: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.reviewer-avatar i {
    font-size: 24px;
    color: var(--color-accent);
}

.reviewer-name {
    font-size: 17px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.reviewer-meta {
    font-size: 13px;
    color: var(--color-text-light);
}

.review-content p {
    font-size: 15px;
    color: var(--color-text);
    line-height: 1.8;
    margin-bottom: 16px;
}

.review-rating {
    color: var(--color-accent-dark);
    font-size: 14px;
    display: flex;
    gap: 4px;
}

/* ========================================
   Final CTA Section
======================================== */
.section-final-cta {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    padding: 80px 0;
}

.final-cta-content {
    text-align: center;
    color: var(--color-white);
}

.final-cta-content h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
}

.final-cta-content > p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 32px;
    line-height: 1.7;
}

.final-cta-features {
    display: flex;
    justify-content: center;
    gap: 32px;
}

.final-cta-features span {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-accent);
    font-size: 15px;
    font-weight: 500;
}

.final-cta-features span i {
    font-size: 14px;
}

/* ========================================
   Footer
======================================== */
.footer {
    background: var(--color-primary-dark);
    padding: 48px 0;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.footer .logo-text {
    font-size: 18px;
}

.footer .logo-icon {
    width: 32px;
    height: 32px;
    font-size: 14px;
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    transition: var(--transition);
}

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

.footer-copyright p {
    color: rgba(255, 255, 255, 0.4);
    font-size: 13px;
}

/* ========================================
   Fixed CTA Button
======================================== */
.fixed-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 999;
    padding: 16px 24px 24px;
    background: linear-gradient(180deg, transparent 0%, rgba(27, 38, 59, 0.9) 100%);
    display: flex;
    justify-content: center;
}

.btn-fixed-cta {
    background: linear-gradient(135deg, #06C755, #05a847);
    color: #ffffff;
    border: none;
    padding: 18px 48px;
    border-radius: 60px;
    font-family: var(--font-primary);
    font-size: 17px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 8px 30px rgba(6, 199, 85, 0.4);
    transition: var(--transition);
}

.btn-fixed-cta:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 40px rgba(6, 199, 85, 0.5);
}

.btn-fixed-cta .btn-icon {
    width: 28px;
    height: 28px;
    object-fit: contain;
    border-radius: 15px;
}

/* ========================================
   Responsive Design
======================================== */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .about-image {
        display: flex;
        justify-content: center;
    }

    .image-frame {
        max-width: 350px;
    }

    .feature-row,
    .feature-row.reverse {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .feature-row.reverse {
        direction: ltr;
    }

    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero {
        padding-top: 0;
    }

    .hero-title {
        font-size: 36px;
    }

    .title-line {
        font-size: 22px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

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

    .stat-divider {
        width: 50px;
        height: 1px;
    }

    .stat-number {
        font-size: 28px;
    }

    .stock-ticker {
        top: 20px;
    }

    .section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 28px;
    }

    .about-content h3 {
        font-size: 26px;
    }

    .about-credentials {
        flex-direction: column;
    }

    .feature-card {
        max-width: 100%;
    }

    .feature-content h3 {
        font-size: 24px;
    }

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

    .cta-box {
        flex-direction: column;
        padding: 32px 24px;
        text-align: center;
    }

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

    .final-cta-content h2 {
        font-size: 28px;
    }

    .final-cta-features {
        flex-direction: column;
        gap: 16px;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 20px;
    }

    .btn-fixed-cta {
        padding: 14px 24px;
        font-size: 14px;
    }

    .btn-fixed-cta .btn-icon {
        width: 28px;
        height: 28px;
        border-radius: 15px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-badge {
        font-size: 12px;
        padding: 8px 16px;
    }

    .hero-title {
        font-size: 28px;
    }

    .title-line {
        font-size: 18px;
    }

    .image-placeholder {
        width: 150px;
        height: 150px;
    }

    .image-placeholder i {
        font-size: 60px;
    }

    .benefit-card {
        padding: 28px 20px;
    }

    .review-card {
        padding: 24px;
    }

    .btn-fixed-cta {
        padding: 12px 16px;
        font-size: 12px;
        gap: 8px;
    }

    .btn-fixed-cta .btn-icon {
        width: 28px;
        height: 28px;
        border-radius: 15px;
    }
}