/* ═══════════════════════════════════════════════════
   NDA VIETNAM — Power BI KPI Proposal
   Design System: Minimal Luxury (Dark/Light)
   ═══════════════════════════════════════════════════ */

/* === CSS CUSTOM PROPERTIES === */
:root {
    /* Layout */
    --max-width: 1280px;
    --grid-gap: 20px;
    --card-radius: 20px;
    --card-padding: 28px;
    --nav-height: 64px;
    --section-padding: 100px;

    /* Typography */
    --font-family: 'Inter', -apple-system, 'Segoe UI', sans-serif;
    --font-size-hero: clamp(36px, 5vw, 64px);
    --font-size-h2: clamp(28px, 3.5vw, 44px);
    --font-size-h3: 20px;
    --font-size-body: 15px;
    --font-size-small: 13px;
    --font-size-xs: 11px;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-black: 900;

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

/* === DARK MODE (Default) === */
[data-theme="dark"] {
    --bg-primary: #08090c;
    --bg-secondary: #0e1017;
    --bg-card: #141620;
    --bg-card-hover: #1a1d2a;
    --bg-nav: rgba(8, 9, 12, 0.9);
    --border-card: 1px solid rgba(255,255,255,0.06);
    --border-subtle: rgba(255,255,255,0.04);
    --shadow-card: none;
    --shadow-hover: 0 8px 40px rgba(255, 107, 53, 0.08);

    --text-primary: #f0f0f5;
    --text-secondary: #8b8fa3;
    --text-tertiary: #5c6078;

    --accent: #ff6b35;
    --accent-light: #ff8f66;
    --accent-dark: #e55a25;
    --accent-bg: rgba(255, 107, 53, 0.08);
    --accent-bg-hover: rgba(255, 107, 53, 0.15);
    --accent-gradient: linear-gradient(135deg, #ff6b35 0%, #ff3d00 100%);

    --positive: #22c997;
    --positive-bg: rgba(34, 201, 151, 0.1);
    --warning: #f5a623;
    --warning-bg: rgba(245, 166, 35, 0.1);
    --negative: #ef5350;
    --negative-bg: rgba(239, 83, 80, 0.1);

    --fact-accent: #4fc3f7;
    --fact-bg: rgba(79, 195, 247, 0.06);
    --dim-accent: #ab47bc;
    --dim-bg: rgba(171, 71, 188, 0.06);
}

/* === LIGHT MODE === */
[data-theme="light"] {
    --bg-primary: #f6f7fb;
    --bg-secondary: #eef0f5;
    --bg-card: #ffffff;
    --bg-card-hover: #fafbff;
    --bg-nav: rgba(246, 247, 251, 0.92);
    --border-card: 1px solid rgba(0,0,0,0.06);
    --border-subtle: rgba(0,0,0,0.04);
    --shadow-card: 0 2px 20px rgba(0,0,0,0.04);
    --shadow-hover: 0 8px 40px rgba(0,0,0,0.08);

    --text-primary: #1a1c2e;
    --text-secondary: #666b85;
    --text-tertiary: #9da2b5;

    --accent: #e55a25;
    --accent-light: #ff6b35;
    --accent-dark: #c4461a;
    --accent-bg: rgba(229, 90, 37, 0.06);
    --accent-bg-hover: rgba(229, 90, 37, 0.12);
    --accent-gradient: linear-gradient(135deg, #ff6b35 0%, #e55a25 100%);

    --positive: #0d9f76;
    --positive-bg: rgba(13, 159, 118, 0.08);
    --warning: #d49000;
    --warning-bg: rgba(212, 144, 0, 0.08);
    --negative: #d32f2f;
    --negative-bg: rgba(211, 47, 47, 0.08);

    --fact-accent: #1976d2;
    --fact-bg: rgba(25, 118, 210, 0.06);
    --dim-accent: #7b1fa2;
    --dim-bg: rgba(123, 31, 162, 0.06);
}

/* === RESET & BASE === */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--nav-height) + 20px);
}

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background var(--transition-normal), color var(--transition-normal);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* === NAVIGATION === */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: var(--bg-nav);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: var(--border-card);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    transition: background var(--transition-normal);
}

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

.nav-logo {
    font-size: 24px;
    color: var(--accent);
    filter: drop-shadow(0 0 8px rgba(255, 107, 53, 0.3));
}

.nav-title {
    font-size: 14px;
    font-weight: var(--font-weight-bold);
    letter-spacing: 2px;
    color: var(--text-primary);
}

.nav-badge {
    font-size: 9px;
    font-weight: var(--font-weight-bold);
    letter-spacing: 1.5px;
    padding: 3px 8px;
    border-radius: 4px;
    background: var(--accent-bg);
    color: var(--accent);
    border: 1px solid rgba(255, 107, 53, 0.2);
}

.nav-links {
    display: flex;
    gap: 4px;
}

.nav-link {
    text-decoration: none;
    font-size: 13px;
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 8px;
    transition: all var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
    color: var(--accent);
    background: var(--accent-bg);
}

.theme-toggle {
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 10px;
    background: var(--accent-bg);
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--accent-bg-hover);
    transform: scale(1.05);
}

/* === HERO SECTION === */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: var(--nav-height);
}

.hero-bg-pattern {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 60% 50% at 70% 40%, rgba(255,107,53,0.06) 0%, transparent 70%),
        radial-gradient(ellipse 40% 40% at 30% 60%, rgba(255,61,0,0.04) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
}

.hero-badge {
    display: inline-block;
    font-size: 11px;
    font-weight: var(--font-weight-bold);
    letter-spacing: 3px;
    color: var(--accent);
    padding: 6px 16px;
    border-radius: 6px;
    background: var(--accent-bg);
    border: 1px solid rgba(255,107,53,0.15);
    margin-bottom: 32px;
}

.hero-title {
    margin-bottom: 24px;
}

.hero-line1 {
    display: block;
    font-size: clamp(20px, 2.5vw, 28px);
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.hero-line2 {
    display: block;
    font-size: var(--font-size-hero);
    font-weight: var(--font-weight-black);
    letter-spacing: -1px;
    line-height: 1.1;
}

.accent {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-body);
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 48px;
    max-width: 600px;
}

.hero-stats {
    display: flex;
    gap: 48px;
    margin-bottom: 48px;
}

.hero-stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.hero-stat-value {
    font-size: 40px;
    font-weight: var(--font-weight-black);
    color: var(--accent);
    line-height: 1;
}

.hero-stat-label {
    font-size: var(--font-size-small);
    color: var(--text-tertiary);
    font-weight: var(--font-weight-medium);
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    padding: 14px 32px;
    background: var(--accent-gradient);
    color: #fff;
    text-decoration: none;
    border-radius: 12px;
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-semibold);
    transition: all var(--transition-fast);
    box-shadow: 0 4px 20px rgba(255, 107, 53, 0.3);
}

.hero-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255, 107, 53, 0.4);
}

/* === SECTIONS === */
.section {
    padding: var(--section-padding) 0;
}

.section-alt {
    background: var(--bg-secondary);
}

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

.section-badge {
    display: inline-block;
    font-size: 11px;
    font-weight: var(--font-weight-bold);
    letter-spacing: 3px;
    color: var(--accent);
    margin-bottom: 16px;
}

.section-title {
    font-size: var(--font-size-h2);
    font-weight: var(--font-weight-black);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

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

/* === KPI TABS === */
.kpi-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 40px;
    overflow-x: auto;
    padding-bottom: 8px;
    scrollbar-width: none;
}

.kpi-tabs::-webkit-scrollbar {
    display: none;
}

.kpi-tab {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    border: var(--border-card);
    border-radius: 12px;
    background: var(--bg-card);
    color: var(--text-secondary);
    cursor: pointer;
    font-family: inherit;
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-medium);
    white-space: nowrap;
    transition: all var(--transition-fast);
}

.kpi-tab:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.kpi-tab.active {
    background: var(--accent-bg);
    color: var(--accent);
    border-color: rgba(255,107,53,0.2);
}

.kpi-tab-icon {
    font-size: 16px;
}

.kpi-tab-count {
    font-size: 10px;
    padding: 2px 8px;
    border-radius: 10px;
    background: var(--border-subtle);
}

.kpi-tab.active .kpi-tab-count {
    background: rgba(255,107,53,0.15);
}

/* === KPI CARDS === */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--grid-gap);
}

.kpi-card {
    background: var(--bg-card);
    border: var(--border-card);
    border-radius: var(--card-radius);
    padding: var(--card-padding);
    box-shadow: var(--shadow-card);
    transition: all var(--transition-normal);
    display: none;
    opacity: 0;
    transform: translateY(10px);
    position: relative;
    overflow: hidden;
}

.kpi-card.visible {
    display: block;
    opacity: 1;
    transform: translateY(0);
    animation: fadeInUp 0.4s ease forwards;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

.kpi-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(255,107,53,0.15);
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-gradient);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.kpi-card:hover::before {
    opacity: 1;
}

.kpi-number {
    font-size: 11px;
    font-weight: var(--font-weight-bold);
    color: var(--accent);
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.kpi-name {
    font-size: 16px;
    font-weight: var(--font-weight-bold);
    margin-bottom: 4px;
    line-height: 1.3;
}

.kpi-vi {
    font-size: var(--font-size-small);
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.kpi-formula {
    font-size: 12px;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    color: var(--text-tertiary);
    background: var(--bg-secondary);
    padding: 8px 12px;
    border-radius: 8px;
    margin-bottom: 16px;
    line-height: 1.5;
}

.kpi-target {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.kpi-target-label {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    font-weight: var(--font-weight-medium);
    letter-spacing: 0.5px;
}

.kpi-target-value {
    font-size: 16px;
    font-weight: var(--font-weight-bold);
    color: var(--accent);
}

.kpi-source {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    padding-top: 12px;
    border-top: 1px solid var(--border-subtle);
}

.positive-text {
    color: var(--positive) !important;
}

/* === ARCHITECTURE === */
.arch-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-bottom: 48px;
}

.arch-title {
    font-size: var(--font-size-h3);
    font-weight: var(--font-weight-bold);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.arch-icon {
    font-size: 24px;
}

.arch-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.arch-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-radius: 12px;
    transition: all var(--transition-fast);
}

.arch-item.fact {
    background: var(--fact-bg);
    border: 1px solid rgba(79, 195, 247, 0.1);
}

.arch-item.dim {
    background: var(--dim-bg);
    border: 1px solid rgba(171, 71, 188, 0.1);
}

.arch-item:hover {
    transform: translateX(4px);
}

.arch-item-name {
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-semibold);
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

.arch-item.fact .arch-item-name {
    color: var(--fact-accent);
}

.arch-item.dim .arch-item-name {
    color: var(--dim-accent);
}

.arch-item-desc {
    font-size: var(--font-size-small);
    color: var(--text-secondary);
}

.source-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 12px;
}

.source-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px 12px;
    background: var(--bg-card);
    border: var(--border-card);
    border-radius: 16px;
    text-align: center;
    transition: all var(--transition-fast);
}

.source-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.source-icon {
    font-size: 28px;
}

.source-name {
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-semibold);
}

.source-type {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

/* === REPORT PAGES === */
.pages-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--grid-gap);
}

.page-card {
    display: flex;
    gap: 20px;
    background: var(--bg-card);
    border: var(--border-card);
    border-radius: var(--card-radius);
    padding: var(--card-padding);
    transition: all var(--transition-normal);
}

.page-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(255,107,53,0.15);
}

.page-number {
    font-size: 36px;
    font-weight: var(--font-weight-black);
    color: var(--accent);
    opacity: 0.3;
    min-width: 48px;
    line-height: 1;
}

.page-card:hover .page-number {
    opacity: 1;
}

.page-title {
    font-size: 16px;
    font-weight: var(--font-weight-bold);
    margin-bottom: 6px;
}

.page-desc {
    font-size: var(--font-size-small);
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 12px;
}

.page-audience {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.page-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.page-tag {
    font-size: 10px;
    font-weight: var(--font-weight-semibold);
    padding: 3px 10px;
    border-radius: 6px;
    background: var(--accent-bg);
    color: var(--accent);
    letter-spacing: 0.3px;
}

/* === PRICING === */
.price-total-card {
    text-align: center;
    padding: 48px;
    background: var(--bg-card);
    border: 2px solid rgba(255,107,53,0.15);
    border-radius: 28px;
    margin-bottom: 48px;
    position: relative;
    overflow: hidden;
}

.price-total-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-gradient);
}

.price-total-label {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    letter-spacing: 3px;
    color: var(--text-tertiary);
    margin-bottom: 16px;
}

.price-total-amount {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 8px;
    margin-bottom: 8px;
}

.price-currency {
    font-size: 28px;
    font-weight: var(--font-weight-bold);
    color: var(--accent);
}

.price-number {
    font-size: 48px;
    font-weight: var(--font-weight-black);
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
}

.price-unit {
    font-size: 20px;
    font-weight: var(--font-weight-semibold);
    color: var(--text-secondary);
}

.price-total-vnd {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.price-total-hours {
    font-size: var(--font-size-small);
    color: var(--text-tertiary);
}

/* Phase Cards */
.phase-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--grid-gap);
    margin-bottom: 48px;
}

.phase-card {
    background: var(--bg-card);
    border: var(--border-card);
    border-radius: var(--card-radius);
    padding: var(--card-padding);
    transition: all var(--transition-normal);
}

.phase-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.phase-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.phase-badge {
    font-size: 11px;
    font-weight: var(--font-weight-bold);
    letter-spacing: 1px;
    padding: 4px 12px;
    border-radius: 6px;
    background: var(--accent-bg);
    color: var(--accent);
}

.phase-badge.featured {
    background: var(--accent-gradient);
    color: #fff;
}

.phase-title {
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-bold);
    flex: 1;
}

.phase-duration {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

.phase-price {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 12px;
}

.phase-amount {
    font-size: 24px;
    font-weight: var(--font-weight-bold);
    color: var(--accent);
}

.phase-percent {
    font-size: var(--font-size-small);
    color: var(--text-tertiary);
    font-weight: var(--font-weight-semibold);
}

.phase-bar {
    height: 4px;
    background: var(--bg-secondary);
    border-radius: 2px;
    margin-bottom: 16px;
    overflow: hidden;
}

.phase-bar-fill {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: 2px;
    transition: width 1s ease;
}

.phase-tasks {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 16px;
}

.phase-tasks li {
    font-size: var(--font-size-small);
    color: var(--text-secondary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 4px 0;
}

.phase-tasks li::before {
    content: '›';
    color: var(--accent);
    margin-right: 8px;
    font-weight: bold;
}

.task-hours {
    font-size: 11px;
    font-weight: var(--font-weight-semibold);
    color: var(--text-tertiary);
    background: var(--bg-secondary);
    padding: 2px 8px;
    border-radius: 4px;
    flex-shrink: 0;
    margin-left: 8px;
}

.phase-effort {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-bold);
    color: var(--accent);
    padding-top: 12px;
    border-top: 1px solid var(--border-subtle);
}

/* Payment */
.payment-card {
    background: var(--bg-card);
    border: var(--border-card);
    border-radius: var(--card-radius);
    padding: 40px;
}

.payment-title {
    font-size: var(--font-size-h3);
    font-weight: var(--font-weight-bold);
    margin-bottom: 32px;
    text-align: center;
}

.payment-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    flex-wrap: wrap;
}

.payment-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
}

.payment-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 3px solid var(--text-tertiary);
    flex-shrink: 0;
}

.payment-dot.active {
    border-color: var(--accent);
    background: var(--accent);
    box-shadow: 0 0 12px rgba(255,107,53,0.4);
}

.payment-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.payment-label {
    font-size: var(--font-size-small);
    color: var(--text-secondary);
}

.payment-amount {
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-bold);
    color: var(--accent);
}

.payment-line {
    width: 40px;
    height: 2px;
    background: var(--border-subtle);
}

/* === TIMELINE === */
.timeline {
    position: relative;
    max-width: 700px;
    margin: 0 auto 60px;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent), var(--text-tertiary));
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
}

.timeline-marker {
    position: absolute;
    left: -40px;
    top: 4px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 3px solid var(--text-tertiary);
    background: var(--bg-primary);
    z-index: 1;
}

.timeline-marker.active {
    border-color: var(--accent);
    background: var(--accent);
    box-shadow: 0 0 16px rgba(255,107,53,0.4);
}

.timeline-period {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    color: var(--accent);
    letter-spacing: 1px;
    margin-bottom: 6px;
}

.timeline-title {
    font-size: 18px;
    font-weight: var(--font-weight-bold);
    margin-bottom: 8px;
}

.timeline-desc {
    font-size: var(--font-size-small);
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.timeline-milestone {
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-semibold);
    color: var(--positive);
    padding: 8px 12px;
    background: var(--positive-bg);
    border-radius: 8px;
    display: inline-block;
}

/* === DELIVERABLES === */
.deliverables {
    background: var(--bg-card);
    border: var(--border-card);
    border-radius: var(--card-radius);
    padding: 40px;
}

.deliverables-title {
    font-size: var(--font-size-h3);
    font-weight: var(--font-weight-bold);
    margin-bottom: 24px;
    text-align: center;
}

.deliverables-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.deliverable-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 20px 12px;
    border-radius: 12px;
    background: var(--bg-secondary);
    text-align: center;
    transition: all var(--transition-fast);
}

.deliverable-item:hover {
    transform: translateY(-2px);
    background: var(--accent-bg);
}

.deliverable-icon {
    font-size: 28px;
}

.deliverable-name {
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-semibold);
}

.deliverable-detail {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

/* === FOOTER === */
.footer {
    padding: 48px 0 32px;
    border-top: var(--border-card);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    text-align: center;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: var(--font-size-small);
    color: var(--text-secondary);
}

.footer-contact {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    border-radius: 14px;
    background: var(--bg-card);
    border: var(--border-card);
    text-decoration: none;
    color: var(--text-primary);
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-card);
}

.footer-contact-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(255,107,53,0.2);
    background: var(--accent-bg);
}

.footer-contact-icon {
    font-size: 22px;
}

.footer-contact-label {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    letter-spacing: 1px;
    color: var(--accent);
    text-transform: uppercase;
}

.footer-contact-value {
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-semibold);
}

.footer-note {
    font-size: var(--font-size-xs);
    color: var(--negative);
    max-width: 400px;
}

.footer-date {
    font-size: var(--font-size-small);
    color: var(--text-tertiary);
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .pages-grid { grid-template-columns: 1fr; }
    .phase-grid { grid-template-columns: 1fr; }
    .arch-grid { grid-template-columns: 1fr; }
    .source-grid { grid-template-columns: repeat(3, 1fr); }
    .deliverables-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .hero-stats { flex-wrap: wrap; gap: 24px; }
    .source-grid { grid-template-columns: repeat(2, 1fr); }
    .kpi-grid { grid-template-columns: 1fr; }
    .payment-grid { flex-direction: column; }
    .payment-line { width: 2px; height: 24px; }
    .footer-content { flex-direction: column; text-align: center; }
}

/* === ANIMATION === */
@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255,107,53,0.3); }
    50% { box-shadow: 0 0 20px 4px rgba(255,107,53,0.1); }
}

.price-total-card {
    animation: pulse 3s ease infinite;
}

/* Scroll animations */
.kpi-card.visible:nth-child(1) { animation-delay: 0s; }
.kpi-card.visible:nth-child(2) { animation-delay: 0.05s; }
.kpi-card.visible:nth-child(3) { animation-delay: 0.1s; }
.kpi-card.visible:nth-child(4) { animation-delay: 0.15s; }
.kpi-card.visible:nth-child(5) { animation-delay: 0.2s; }
.kpi-card.visible:nth-child(6) { animation-delay: 0.25s; }
.kpi-card.visible:nth-child(7) { animation-delay: 0.3s; }

/* === DASHBOARD GALLERY === */
.dashboard-gallery {
    background: var(--bg-card);
    border: var(--border-card);
    border-radius: var(--card-radius);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.gallery-nav {
    display: flex;
    gap: 0;
    overflow-x: auto;
    scrollbar-width: none;
    border-bottom: 1px solid var(--border-subtle);
    background: var(--bg-secondary);
}

.gallery-nav::-webkit-scrollbar { display: none; }

.gallery-tab {
    flex: 1;
    padding: 14px 16px;
    border: none;
    background: none;
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 12px;
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--transition-fast);
    border-bottom: 3px solid transparent;
    min-width: fit-content;
}

.gallery-tab:hover {
    color: var(--text-primary);
    background: var(--accent-bg);
}

.gallery-tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
    background: var(--accent-bg);
}

.gallery-viewer {
    position: relative;
    min-height: 400px;
}

.gallery-slide {
    display: none;
    animation: galleryFadeIn 0.4s ease;
}

.gallery-slide.active {
    display: grid;
    grid-template-columns: 1fr 340px;
}

@keyframes galleryFadeIn {
    from { opacity: 0; transform: scale(0.98); }
    to { opacity: 1; transform: scale(1); }
}

.gallery-img-wrap {
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #0a0b0e;
    min-height: 400px;
}

[data-theme="light"] .gallery-img-wrap {
    background: #e8eaf0;
}

.gallery-img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
    transition: transform var(--transition-normal);
    cursor: zoom-in;
}

.gallery-img:hover {
    transform: scale(1.02);
}

.gallery-info {
    padding: 32px 28px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    border-left: 1px solid var(--border-subtle);
}

.gallery-info-header {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.gallery-page-num {
    font-size: 11px;
    font-weight: var(--font-weight-bold);
    color: var(--accent);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.gallery-info h3 {
    font-size: 20px;
    font-weight: var(--font-weight-bold);
}

.gallery-info p {
    font-size: var(--font-size-small);
    color: var(--text-secondary);
    line-height: 1.7;
}

.gallery-meta {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: auto;
}

.gallery-audience {
    font-size: var(--font-size-small);
    color: var(--text-tertiary);
}

.gallery-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.gallery-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    padding: 16px;
    border-top: 1px solid var(--border-subtle);
    background: var(--bg-secondary);
}

.gallery-arrow {
    width: 40px;
    height: 40px;
    border: var(--border-card);
    border-radius: 10px;
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    font-family: inherit;
}

.gallery-arrow:hover {
    background: var(--accent-bg);
    color: var(--accent);
    border-color: rgba(255,107,53,0.2);
}

.gallery-counter {
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-semibold);
    color: var(--text-secondary);
    min-width: 40px;
    text-align: center;
}

/* Gallery responsive */
@media (max-width: 768px) {
    .gallery-slide.active {
        grid-template-columns: 1fr;
    }
    .gallery-info {
        border-left: none;
        border-top: 1px solid var(--border-subtle);
    }
    .gallery-nav {
        overflow-x: auto;
    }
    .gallery-tab {
        padding: 10px 12px;
        font-size: 11px;
    }
}