/* ═══════════════════════════════════════════════════════════
   PIMOUNT Tools - Premium Dark Theme
   ═══════════════════════════════════════════════════════════ */

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

/* CSS Variables - Dark Theme */
:root {
    /* 다크 테마 기본 */
    --bg-primary: #09090b;
    --bg-secondary: #0f0f12;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.06);

    /* 텍스트 */
    --text-primary: #fafafa;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;

    /* 그라데이션 포인트 (오렌지 → 레드) */
    --gradient-start: #ff6b35;
    --gradient-mid: #f7418c;
    --gradient-end: #fc3d21;
    --gradient-primary: linear-gradient(135deg, #ff6b35 0%, #f7418c 50%, #fc3d21 100%);
    --gradient-glow: linear-gradient(135deg, rgba(255, 107, 53, 0.4) 0%, rgba(247, 65, 140, 0.4) 50%, rgba(252, 61, 33, 0.4) 100%);

    /* 보더 & 효과 */
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);
    --glow-color: rgba(255, 107, 53, 0.5);

    /* 그림자 */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(255, 107, 53, 0.3);

    /* 반경 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    /* 트랜지션 */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* 라이트 모드 */
[data-theme="light"] {
    --bg-primary: #fafafa;
    --bg-secondary: #f4f4f5;
    --bg-card: rgba(255, 255, 255, 0.8);
    --bg-card-hover: rgba(255, 255, 255, 0.95);

    --text-primary: #18181b;
    --text-secondary: #52525b;
    --text-muted: #a1a1aa;

    --border-color: rgba(0, 0, 0, 0.08);
    --border-hover: rgba(0, 0, 0, 0.15);

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
    --shadow-glow: 0 0 40px rgba(255, 107, 53, 0.15);
}

/* Base Styles */
html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    min-height: 100vh;
}

/* ═══════════════════════════════════════════════════════════
   Background Effects
   ═══════════════════════════════════════════════════════════ */

/* 배경 그리드 */
.bg-grid {
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
}

[data-theme="light"] .bg-grid {
    background-image:
        linear-gradient(rgba(0, 0, 0, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
}

/* 노이즈 텍스처 */
.bg-noise {
    position: fixed;
    inset: 0;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 1;
}

/* 움직이는 그라데이션 오브 */
.bg-gradient-orbs {
    position: fixed;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.3) 0%, transparent 70%);
    top: -200px;
    right: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(247, 65, 140, 0.25) 0%, transparent 70%);
    bottom: -150px;
    left: -150px;
    animation-delay: -7s;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(252, 61, 33, 0.2) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -14s;
}

[data-theme="light"] .orb {
    opacity: 0.2;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(30px, -30px) scale(1.05);
    }
    50% {
        transform: translate(-20px, 20px) scale(0.95);
    }
    75% {
        transform: translate(-30px, -20px) scale(1.02);
    }
}

/* ═══════════════════════════════════════════════════════════
   Aurora Cursor Effect
   ═══════════════════════════════════════════════════════════ */

.aurora-cursor {
    position: fixed;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.15) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    filter: blur(40px);
}

.aurora-cursor-2 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(247, 65, 140, 0.12) 0%, transparent 70%);
    transition: transform 0.15s ease-out, opacity 0.3s ease;
}

.aurora-cursor-3 {
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(252, 61, 33, 0.1) 0%, transparent 70%);
    transition: transform 0.2s ease-out, opacity 0.3s ease;
}

body:hover .aurora-cursor {
    opacity: 1;
}

[data-theme="light"] .aurora-cursor {
    background: radial-gradient(circle, rgba(255, 107, 53, 0.08) 0%, transparent 70%);
}

[data-theme="light"] .aurora-cursor-2 {
    background: radial-gradient(circle, rgba(247, 65, 140, 0.06) 0%, transparent 70%);
}

[data-theme="light"] .aurora-cursor-3 {
    background: radial-gradient(circle, rgba(252, 61, 33, 0.05) 0%, transparent 70%);
}

/* ═══════════════════════════════════════════════════════════
   Lock Screen
   ═══════════════════════════════════════════════════════════ */

.lock-screen {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.lock-screen::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0.1;
}

.lock-screen.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.lock-container {
    position: relative;
    text-align: center;
    padding: 3rem 3.5rem;
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    width: 100%;
    max-width: 380px;
    box-shadow: var(--shadow-lg);
}

.lock-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-glow);
}

.lock-icon svg {
    width: 32px;
    height: 32px;
    fill: white;
}

.lock-container h2 {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 1rem;
    letter-spacing: -0.01em;
    margin-bottom: 1.75rem;
}

.lock-container input {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 1rem;
    text-align: center;
    letter-spacing: 3px;
    outline: none;
    transition: all var(--transition-normal);
}

.lock-container input::placeholder {
    color: var(--text-muted);
    letter-spacing: 1px;
}

.lock-container input:focus {
    border-color: var(--gradient-start);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.lock-container button {
    display: block;
    width: 100%;
    margin-top: 1.25rem;
    padding: 1rem;
    border: none;
    border-radius: var(--radius-md);
    background: var(--gradient-primary);
    color: white;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.lock-container button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.error-msg {
    color: #ef4444;
    margin-top: 1rem;
    font-size: 0.875rem;
    min-height: 1.2rem;
}

.lock-container.shake {
    animation: shake 0.4s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

/* ═══════════════════════════════════════════════════════════
   Header
   ═══════════════════════════════════════════════════════════ */

.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(9, 9, 11, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

[data-theme="light"] .main-header {
    background: rgba(250, 250, 250, 0.8);
}

.main-header nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: 1px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.theme-toggle,
.settings-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.theme-toggle:hover,
.settings-btn:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
    background: var(--bg-card-hover);
}

.theme-toggle .moon-icon,
[data-theme="light"] .theme-toggle .sun-icon {
    display: none;
}

[data-theme="light"] .theme-toggle .moon-icon {
    display: block;
}

/* ═══════════════════════════════════════════════════════════
   Hero Section
   ═══════════════════════════════════════════════════════════ */

.hero {
    position: relative;
    min-height: 45vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 2rem 60px;
    z-index: 2;
}

.hero-content {
    text-align: center;
}

.hero-title {
    font-size: clamp(3rem, 10vw, 5.5rem);
    font-weight: 900;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 1rem;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.hero-title-tools {
    display: block;
    color: var(--text-primary);
    font-weight: 300;
    font-size: 0.5em;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-top: 0.25rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    font-weight: 400;
    margin-top: 1.5rem;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.3s;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ═══════════════════════════════════════════════════════════
   Tools Section
   ═══════════════════════════════════════════════════════════ */

.tools-section {
    position: relative;
    padding: 40px 2rem 80px;
    max-width: 1200px;
    margin: 0 auto;
    z-index: 2;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

/* Tool Card */
.tool-card {
    position: relative;
    display: block;
    padding: 2.5rem 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    text-decoration: none;
    overflow: hidden;
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);

    /* 초기 상태 - 스크롤 애니메이션용 */
    opacity: 0;
    transform: translateY(30px);
}

.tool-card.aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* 카드 글로우 효과 */
.card-glow {
    position: absolute;
    inset: -1px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 0;
    pointer-events: none;
}

.tool-card::before {
    content: '';
    position: absolute;
    inset: 1px;
    background: var(--bg-primary);
    border-radius: calc(var(--radius-lg) - 1px);
    z-index: 1;
    transition: background var(--transition-normal);
    pointer-events: none;
}

.tool-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: transparent;
    box-shadow: var(--shadow-glow), var(--shadow-lg);
}

.tool-card:hover .card-glow {
    opacity: 1;
}

.tool-card:hover::before {
    background: var(--bg-secondary);
}

.card-content {
    position: relative;
    z-index: 2;
    pointer-events: none;
}

.card-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    color: white;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.tool-card:hover .card-icon {
    transform: scale(1.1);
    box-shadow: var(--shadow-glow);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.card-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ═══════════════════════════════════════════════════════════
   Stats Section
   ═══════════════════════════════════════════════════════════ */

.stats-section {
    position: relative;
    padding: 60px 2rem;
    z-index: 2;

    /* 스크롤 애니메이션 */
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.stats-section.aos-animate {
    opacity: 1;
    transform: translateY(0);
}

.stats-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    max-width: 800px;
    margin: 0 auto;
    padding: 2.5rem 3rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

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

.stat-value {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.stat-divider {
    width: 1px;
    height: 50px;
    background: var(--border-color);
}

/* ═══════════════════════════════════════════════════════════
   Footer
   ═══════════════════════════════════════════════════════════ */

.main-footer {
    position: relative;
    padding: 60px 2rem 30px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    z-index: 2;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.footer-brand .gradient-text {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 1px;
}

.footer-slogan {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.footer-contact {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.footer-contact a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-contact a:hover {
    color: var(--gradient-start);
}

.footer-divider {
    color: var(--border-color);
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all var(--transition-normal);
}

.social-link:hover {
    border-color: var(--gradient-start);
    color: var(--gradient-start);
    transform: translateY(-2px);
}

.footer-copyright {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ═══════════════════════════════════════════════════════════
   Responsive Design
   ═══════════════════════════════════════════════════════════ */

@media (max-width: 1024px) {
    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .main-header nav {
        padding: 1rem 1.5rem;
    }

    .hero {
        padding: 100px 1.5rem 40px;
        min-height: 40vh;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .tools-section {
        padding: 30px 1.5rem 60px;
    }

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

    .tool-card {
        padding: 1.75rem 1.5rem;
    }

    .card-icon {
        width: 52px;
        height: 52px;
    }

    .card-icon svg {
        width: 26px;
        height: 26px;
    }

    .card-title {
        font-size: 1.1rem;
    }

    .card-desc {
        font-size: 0.8rem;
    }

    .stats-container {
        flex-direction: column;
        gap: 1.5rem;
        padding: 2rem;
    }

    .stat-divider {
        width: 60px;
        height: 1px;
    }

    .stat-value {
        font-size: 2rem;
    }

    .footer-contact {
        flex-direction: column;
        gap: 0.5rem;
    }

    .footer-divider {
        display: none;
    }
}

@media (max-width: 480px) {
    .tools-grid {
        grid-template-columns: 1fr;
    }

    .hero-title {
        font-size: 2rem;
    }

    .lock-container {
        padding: 2rem;
        margin: 1rem;
    }
}

/* ═══════════════════════════════════════════════════════════
   Scroll Animations
   ═══════════════════════════════════════════════════════════ */

/* 스크롤 트리거 애니메이션 준비 */
[data-aos] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* 지연 시간 */
[data-aos-delay="100"] { transition-delay: 0.1s; }
[data-aos-delay="200"] { transition-delay: 0.2s; }
[data-aos-delay="300"] { transition-delay: 0.3s; }
[data-aos-delay="400"] { transition-delay: 0.4s; }
[data-aos-delay="500"] { transition-delay: 0.5s; }

/* ═══════════════════════════════════════════════════════════
   Selection Style
   ═══════════════════════════════════════════════════════════ */

::selection {
    background: rgba(255, 107, 53, 0.3);
    color: var(--text-primary);
}

::-moz-selection {
    background: rgba(255, 107, 53, 0.3);
    color: var(--text-primary);
}

/* ═══════════════════════════════════════════════════════════
   Scrollbar
   ═══════════════════════════════════════════════════════════ */

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-hover);
}