/* ================================================
   TIGR VENTURES - Premium Styles
   ================================================ */

/* CSS Custom Properties */
:root {
    --color-bg: #0a0a0a;
    --color-bg-elevated: #111111;
    --color-text: #f5f5f5;
    --color-text-muted: #888888;
    --color-text-subtle: #555555;
    --color-gold: #c9a962;
    --color-gold-hover: #e5c77d;
    --color-gold-subtle: rgba(201, 169, 98, 0.1);
    --color-border: rgba(255, 255, 255, 0.08);

    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 48px;
    --spacing-xl: 80px;
    --spacing-2xl: 120px;
    --spacing-3xl: 180px;

    --max-width: 1200px;
    --max-width-narrow: 720px;

    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    font-weight: 400;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
}

::selection {
    background-color: var(--color-gold);
    color: var(--color-bg);
}

/* Container */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Typography */
h1, h2, h3 {
    font-weight: 400;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

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

/* ================================================
   Navigation
   ================================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-md) 0;
    transition: background-color var(--transition-base), padding var(--transition-base);
}

.nav.scrolled {
    background-color: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: var(--spacing-sm) 0;
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--color-gold);
}

.nav-cta {
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: var(--spacing-xs) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.nav-cta:hover {
    border-color: var(--color-gold);
    color: var(--color-gold);
}

/* ================================================
   Hero Section
   ================================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-md);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 50% 30%, rgba(201, 169, 98, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 20% 80%, rgba(201, 169, 98, 0.08) 0%, transparent 40%),
        radial-gradient(ellipse at 80% 20%, rgba(201, 169, 98, 0.06) 0%, transparent 35%);
    animation: backgroundPulse 8s ease-in-out infinite;
}

/* Floating golden orb */
.hero::after {
    content: '';
    position: absolute;
    top: 20%;
    right: 15%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(201, 169, 98, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    animation: floatOrb 12s ease-in-out infinite;
    pointer-events: none;
}

@keyframes backgroundPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

@keyframes floatOrb {
    0%, 100% { transform: translate(0, 0); }
    25% { transform: translate(-20px, 30px); }
    50% { transform: translate(10px, -20px); }
    75% { transform: translate(-10px, -10px); }
}

.hero-accent-lines {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.accent-line {
    position: absolute;
    background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
    opacity: 0.15;
}

.accent-line-1 {
    top: 25%;
    left: 0;
    right: 0;
    height: 1px;
    animation: lineSweep 8s ease-in-out infinite;
}

.accent-line-2 {
    bottom: 30%;
    left: 0;
    right: 0;
    height: 1px;
    animation: lineSweep 8s ease-in-out infinite 4s;
}

@keyframes lineSweep {
    0%, 100% { opacity: 0; transform: scaleX(0); }
    50% { opacity: 0.2; transform: scaleX(1); }
}

.hero-content {
    position: relative;
    max-width: 900px;
}

.hero-badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--color-gold);
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid rgba(201, 169, 98, 0.3);
    border-radius: 2px;
    margin-bottom: var(--spacing-lg);
    background: rgba(201, 169, 98, 0.05);
}

.hero-title {
    font-size: clamp(32px, 6vw, 64px);
    font-weight: 300;
    line-height: 1.15;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.gold-text {
    color: var(--color-gold);
    position: relative;
}

.gold-text::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
    opacity: 0.5;
}

.hero-subtitle {
    font-size: clamp(16px, 2vw, 20px);
    font-weight: 300;
    color: var(--color-text-muted);
    letter-spacing: 0.02em;
}

.hero-divider {
    width: 60px;
    height: 1px;
    background: var(--color-gold);
    margin: var(--spacing-lg) auto 0;
    opacity: 0.6;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator span {
    display: block;
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-gold), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.5; transform: scaleY(0.8); }
}

/* ================================================
   Sections - Shared Styles
   ================================================ */
.section {
    padding: var(--spacing-2xl) 0;
    position: relative;
    overflow: hidden;
}

.section-badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--color-gold);
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid rgba(201, 169, 98, 0.3);
    border-radius: 2px;
    margin-bottom: var(--spacing-md);
    background: rgba(201, 169, 98, 0.05);
}

.section-title {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 300;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
}

.section-label {
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: var(--spacing-lg);
}

/* Section ambient glows */
.section-glow {
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(201, 169, 98, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.section-glow-left {
    top: 20%;
    left: -200px;
}

.section-glow-right {
    top: 30%;
    right: -200px;
}

.section-glow-center {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    opacity: 0.5;
}

/* Gold text and dividers */
.gold-text-inline {
    color: var(--color-gold);
}

.gold-divider {
    width: 60px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
    margin: var(--spacing-lg) 0;
}

.gold-divider-center {
    margin: var(--spacing-md) auto var(--spacing-lg);
}

/* ================================================
   Philosophy Section
   ================================================ */
.philosophy {
    border-top: 1px solid var(--color-border);
}

.philosophy-content {
    max-width: var(--max-width-narrow);
}

.philosophy-text {
    font-size: clamp(18px, 2.5vw, 24px);
    font-weight: 300;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: 0;
}

.philosophy-accent {
    font-size: 18px;
    font-weight: 500;
    color: var(--color-gold);
    letter-spacing: 0.05em;
    position: relative;
    padding-left: var(--spacing-md);
}

.philosophy-accent::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 4px;
    background: var(--color-gold);
    border-radius: 50%;
}

/* ================================================
   Expertise Section
   ================================================ */
.expertise {
    border-top: 1px solid var(--color-border);
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.expertise-card {
    position: relative;
    padding: var(--spacing-lg);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    transition: all var(--transition-base);
    overflow: hidden;
}

.expertise-card:hover {
    border-color: rgba(201, 169, 98, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.expertise-card:hover .card-accent {
    opacity: 1;
}

.expertise-card:hover .expertise-icon {
    color: var(--color-gold);
}

.expertise-card:hover .card-line {
    transform: scaleX(1);
}

.card-accent {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.card-line {
    position: absolute;
    bottom: 0;
    left: var(--spacing-lg);
    right: var(--spacing-lg);
    height: 1px;
    background: linear-gradient(90deg, var(--color-gold), transparent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-slow);
}

.expertise-icon {
    width: 48px;
    height: 48px;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
    transition: color var(--transition-base);
}

.expertise-title {
    font-size: 20px;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.expertise-description {
    font-size: 15px;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* ================================================
   Process Section
   ================================================ */
.process {
    border-top: 1px solid var(--color-border);
}

.process-content {
    max-width: var(--max-width-narrow);
}

.process-intro {
    font-size: clamp(18px, 2.5vw, 24px);
    font-weight: 300;
    line-height: 1.7;
    color: var(--color-text);
    margin-bottom: var(--spacing-xl);
}

.process-steps {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.process-step {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.step-marker {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.step-number {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-gold);
    letter-spacing: 0.1em;
    border: 1px solid rgba(201, 169, 98, 0.3);
    border-radius: 50%;
    background: rgba(201, 169, 98, 0.05);
    transition: all var(--transition-base);
}

.process-step:hover .step-number {
    background: rgba(201, 169, 98, 0.1);
    border-color: var(--color-gold);
    box-shadow: 0 0 30px rgba(201, 169, 98, 0.2);
}

.step-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-gold), transparent);
    opacity: 0.3;
    margin-top: var(--spacing-sm);
}

.step-content {
    padding-top: 12px;
    padding-bottom: var(--spacing-lg);
}

.step-title {
    font-size: 20px;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.step-description {
    font-size: 15px;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* ================================================
   Inquiry Section
   ================================================ */
.inquiry {
    border-top: 1px solid var(--color-border);
    background: var(--color-bg-elevated);
    position: relative;
}

.inquiry-glow {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 400px;
    background: radial-gradient(ellipse at center top, rgba(201, 169, 98, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.inquiry-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    position: relative;
}

.inquiry-title {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 300;
    margin-bottom: 0;
    color: var(--color-text);
}

.inquiry-subtitle {
    font-size: 16px;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.inquiry-form {
    text-align: left;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    padding: var(--spacing-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: var(--font-family);
    font-size: 16px;
    color: var(--color-text);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-gold);
    box-shadow: 0 0 0 3px rgba(201, 169, 98, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-submit {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    font-family: var(--font-family);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-bg);
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-hover) 100%);
    border: none;
    border-radius: 2px;
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    position: relative;
    overflow: hidden;
}

.form-submit::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-gold-hover) 0%, var(--color-gold) 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.form-submit:hover::before {
    opacity: 1;
}

.form-submit:hover {
    box-shadow: 0 10px 30px rgba(201, 169, 98, 0.3);
    transform: translateY(-2px);
}

.form-submit span,
.form-submit svg {
    position: relative;
    z-index: 1;
}

.form-submit:active {
    transform: translateY(0);
}

.form-note {
    text-align: center;
    font-size: 13px;
    color: var(--color-text-subtle);
    margin-top: var(--spacing-md);
}

.form-success {
    display: none;
    padding: var(--spacing-xl);
    text-align: center;
    color: var(--color-gold);
    font-size: 18px;
    line-height: 1.7;
}

.form-success.show {
    display: block;
}

.success-icon {
    margin-bottom: var(--spacing-md);
    color: var(--color-gold);
}

.inquiry-form.hidden {
    display: none;
}

/* ================================================
   Footer
   ================================================ */
.footer {
    padding: var(--spacing-xl) 0;
    position: relative;
}

.footer-line {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
    opacity: 0.5;
}

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

.footer-logo {
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--color-gold);
    opacity: 0.8;
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-link {
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--color-gold);
}

.footer-year {
    font-size: 13px;
    color: var(--color-text-subtle);
}

/* ================================================
   Animations
   ================================================ */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger animation for cards */
.expertise-card.fade-in:nth-child(2) { transition-delay: 0.1s; }
.expertise-card.fade-in:nth-child(3) { transition-delay: 0.2s; }

/* ================================================
   Responsive
   ================================================ */
@media (max-width: 768px) {
    :root {
        --spacing-2xl: 80px;
        --spacing-3xl: 120px;
    }

    .hero {
        padding-top: 120px;
    }

    .hero-title br {
        display: none;
    }

    .hero::before,
    .hero::after {
        display: none;
    }

    .section-glow {
        display: none;
    }

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

    .process-step {
        grid-template-columns: auto 1fr;
    }

    .step-line {
        height: 40px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .inquiry-form {
        padding: var(--spacing-md);
    }

    .footer-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

    .footer-links {
        order: -1;
    }
}

@media (max-width: 480px) {
    .nav-logo {
        font-size: 11px;
        letter-spacing: 0.15em;
    }

    .nav-cta {
        font-size: 11px;
        padding: 6px 12px;
    }

    .hero-badge {
        font-size: 10px;
        padding: 6px 12px;
    }

    .section-badge {
        font-size: 10px;
    }

    .expertise-card {
        padding: var(--spacing-md);
    }

    .step-number {
        width: 40px;
        height: 40px;
        font-size: 11px;
    }
}