/* =============================================
   OPUS INTELLIGENCE - MAIN STYLESHEET
   Modern Design Inspired by Anthropic
   ============================================= */

/* =============================================
   CSS VARIABLES / DESIGN SYSTEM
   ============================================= */
:root {
    /* Primary Colors - Warm Coral/Orange */
    --color-primary: #D97757;
    --color-primary-light: #E8A088;
    --color-primary-dark: #C4614A;
    --color-primary-gradient: linear-gradient(135deg, #D97757 0%, #C4614A 100%);

    /* Accent Colors - Deep Teal */
    --color-accent: #1A5F5A;
    --color-accent-light: #2D7A73;
    --color-accent-dark: #134845;

    /* Neutral Colors - Warm Tones */
    --color-background: #FAFAF9;
    --color-surface: #FFFFFF;
    --color-surface-alt: #F5F4F2;
    --color-text: #1C1917;
    --color-text-secondary: #78716C;
    --color-text-muted: #A8A29E;
    --color-text-on-dark: #FFFFFF;
    --color-border: #E7E5E4;
    --color-border-light: #F5F5F4;

    /* Legacy mappings for compatibility */
    --color-primary-deep: var(--color-primary-dark);
    --color-primary-accent: var(--color-primary);
    --color-secondary: var(--color-text);
    --color-background-alt: var(--color-surface-alt);
    --color-text-light: var(--color-text-secondary);

    /* Gradient Backgrounds */
    --gradient-hero: linear-gradient(180deg, #FAFAF9 0%, #FEF3E9 40%, #FEF7F3 70%, #FAFAF9 100%);
    --gradient-section: linear-gradient(135deg, rgba(217, 119, 87, 0.03) 0%, rgba(26, 95, 90, 0.03) 100%);
    --gradient-dark: linear-gradient(135deg, #1C1917 0%, #292524 50%, #1C1917 100%);
    --gradient-card-border: linear-gradient(135deg, var(--color-primary-light), var(--color-accent-light));

    /* Typography */
    --font-display: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-size-xs: 13px;
    --font-size-sm: 14px;
    --font-size-base: 16px;
    --font-size-md: 17px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    --font-size-3xl: 30px;
    --font-size-4xl: 40px;
    --font-size-5xl: 52px;
    --font-size-6xl: 64px;
    --line-height: 1.6;
    --line-height-tight: 1.2;
    --letter-spacing-tight: -0.02em;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
    --spacing-4xl: 96px;
    --spacing-section: 120px;

    /* Layout */
    --max-width: 1200px;
    --border-radius-sm: 6px;
    --border-radius: 12px;
    --border-radius-lg: 20px;
    --border-radius-xl: 28px;
    --border-radius-full: 9999px;

    /* Shadows - Softer, more refined */
    --shadow-xs: 0 1px 2px rgba(28, 25, 23, 0.04);
    --shadow-sm: 0 2px 4px rgba(28, 25, 23, 0.04), 0 1px 2px rgba(28, 25, 23, 0.02);
    --shadow-md: 0 4px 12px rgba(28, 25, 23, 0.06), 0 2px 4px rgba(28, 25, 23, 0.04);
    --shadow-lg: 0 12px 24px rgba(28, 25, 23, 0.08), 0 4px 8px rgba(28, 25, 23, 0.04);
    --shadow-xl: 0 20px 40px rgba(28, 25, 23, 0.1), 0 8px 16px rgba(28, 25, 23, 0.06);
    --shadow-glow: 0 0 40px rgba(217, 119, 87, 0.15);
    --shadow-card: 0 1px 3px rgba(28, 25, 23, 0.04), 0 6px 16px rgba(28, 25, 23, 0.06);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-md);
    line-height: var(--line-height);
    color: var(--color-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Display headings use Plus Jakarta Sans */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: var(--line-height-tight);
    letter-spacing: var(--letter-spacing-tight);
    color: var(--color-text);
}

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

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

a:hover {
    color: var(--color-primary-dark);
}

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea {
    font-family: inherit;
    font-size: inherit;
}

/* Gradient text utility */
.gradient-text {
    background: var(--color-primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* =============================================
   UTILITY CLASSES
   ============================================= */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* =============================================
   BUTTONS
   ============================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 14px 28px;
    font-family: var(--font-display);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--border-radius-full);
    transition: all var(--transition-base);
    text-align: center;
    white-space: nowrap;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--color-primary-gradient);
    color: var(--color-text-on-dark);
    box-shadow: 0 2px 8px rgba(217, 119, 87, 0.3), 0 1px 2px rgba(217, 119, 87, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(217, 119, 87, 0.4), 0 2px 4px rgba(217, 119, 87, 0.3);
    color: var(--color-text-on-dark);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background-color: var(--color-surface);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background-color: var(--color-surface-alt);
    border-color: var(--color-text-muted);
    color: var(--color-text);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary:active {
    transform: translateY(0);
}

.btn-lg {
    padding: 18px 36px;
    font-size: var(--font-size-lg);
}

.btn-sm {
    padding: 10px 20px;
    font-size: var(--font-size-sm);
}

/* =============================================
   NAVIGATION
   ============================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(250, 250, 249, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background-color: rgba(250, 250, 249, 0.95);
    border-bottom-color: var(--color-border);
    box-shadow: var(--shadow-sm);
}

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

.logo {
    display: flex;
    align-items: center;
    font-size: var(--font-size-xl);
    font-weight: 800;
    text-decoration: none;
}

.logo-opus {
    color: var(--color-primary);
}

.logo-intelligence {
    color: var(--color-text);
}

.logo-svg {
    height: 48px;
    width: auto;
    transition: transform var(--transition-fast);
}

.logo:hover .logo-svg {
    transform: scale(1.02);
}

.footer-logo-svg {
    height: 42px;
    width: auto;
    opacity: 0.9;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    position: relative;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
    padding: var(--spacing-sm) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary-gradient);
    border-radius: 1px;
    transition: width var(--transition-base);
}

.nav-link:hover {
    color: var(--color-text);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-cta {
    margin-left: var(--spacing-md);
}

.nav-cta.btn {
    padding: 10px 22px;
    font-size: var(--font-size-sm);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    cursor: pointer;
    border-radius: var(--border-radius);
    transition: background-color var(--transition-fast);
}

.nav-toggle:hover {
    background-color: var(--color-surface-alt);
}

.hamburger {
    width: 22px;
    height: 2px;
    background-color: var(--color-text);
    position: relative;
    transition: background-color var(--transition-fast);
    border-radius: 1px;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 22px;
    height: 2px;
    background-color: var(--color-text);
    transition: all var(--transition-fast);
    border-radius: 1px;
}

.hamburger::before {
    top: -7px;
}

.hamburger::after {
    top: 7px;
}

.nav-toggle.active .hamburger {
    background-color: transparent;
}

.nav-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle.active .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

/* =============================================
   HERO SECTION
   ============================================= */
.hero {
    position: relative;
    padding-top: calc(80px + var(--spacing-4xl));
    padding-bottom: var(--spacing-4xl);
    background: var(--gradient-hero);
    overflow: hidden;
}

/* Subtle decorative background elements */
.hero::before {
    content: '';
    position: absolute;
    top: 20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(217, 119, 87, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 10%;
    left: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(26, 95, 90, 0.06) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-title {
    font-size: var(--font-size-6xl);
    font-weight: 800;
    line-height: 1.05;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
    letter-spacing: -0.03em;
}

.hero-title .highlight {
    background: var(--color-primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 540px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    align-items: center;
}

/* Trust badges below CTA */
.hero-trust {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.trust-item svg {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
}

.trust-item strong {
    color: var(--color-text);
    font-weight: 600;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

/* Voice AI visualization card */
.hero-visual-card {
    position: relative;
    width: 100%;
    max-width: 420px;
    background: var(--color-surface);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-border-light);
}

.hero-visual-card::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: var(--border-radius-xl);
    padding: 1px;
    background: linear-gradient(135deg, rgba(217, 119, 87, 0.3), rgba(26, 95, 90, 0.2));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.visual-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border-light);
}

.visual-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.visual-avatar svg {
    width: 24px;
    height: 24px;
}

.visual-info h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 2px;
}

.visual-info span {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.visual-status {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: #16a34a;
    font-weight: 500;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: #16a34a;
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.2); }
}

/* Waveform animation */
.waveform {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3px;
    height: 60px;
    margin-bottom: var(--spacing-lg);
}

.waveform-bar {
    width: 4px;
    background: var(--color-primary-gradient);
    border-radius: 2px;
    animation: waveform 1s ease-in-out infinite;
}

.waveform-bar:nth-child(1) { height: 20px; animation-delay: 0s; }
.waveform-bar:nth-child(2) { height: 35px; animation-delay: 0.1s; }
.waveform-bar:nth-child(3) { height: 25px; animation-delay: 0.2s; }
.waveform-bar:nth-child(4) { height: 45px; animation-delay: 0.3s; }
.waveform-bar:nth-child(5) { height: 30px; animation-delay: 0.4s; }
.waveform-bar:nth-child(6) { height: 50px; animation-delay: 0.5s; }
.waveform-bar:nth-child(7) { height: 35px; animation-delay: 0.6s; }
.waveform-bar:nth-child(8) { height: 25px; animation-delay: 0.7s; }
.waveform-bar:nth-child(9) { height: 40px; animation-delay: 0.8s; }
.waveform-bar:nth-child(10) { height: 20px; animation-delay: 0.9s; }

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

.visual-transcript {
    background: var(--color-surface-alt);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.visual-transcript p {
    margin-bottom: var(--spacing-sm);
}

.visual-transcript p:last-child {
    margin-bottom: 0;
}

.visual-transcript strong {
    color: var(--color-text);
}

/* Floating badges around the visual */
.floating-badge {
    position: absolute;
    background: var(--color-surface);
    border-radius: var(--border-radius-full);
    padding: var(--spacing-sm) var(--spacing-md);
    box-shadow: var(--shadow-lg);
    font-size: var(--font-size-sm);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    white-space: nowrap;
    border: 1px solid var(--color-border-light);
}

.floating-badge svg {
    width: 16px;
    height: 16px;
}

.floating-badge.badge-1 {
    top: 10%;
    right: -10%;
    color: var(--color-primary);
    animation: float 3s ease-in-out infinite;
}

.floating-badge.badge-2 {
    bottom: 15%;
    left: -8%;
    color: var(--color-accent);
    animation: float 3s ease-in-out infinite 0.5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* Legacy placeholder support */
.hero-image-placeholder {
    display: none;
}

.placeholder-icon {
    opacity: 0.9;
}

.hero-image-placeholder p {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

/* =============================================
   SECTION STYLES
   ============================================= */
section {
    padding: var(--spacing-section) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Section label/tag above title */
.section-label {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
}

/* =============================================
   HOW IT WORKS
   ============================================= */
.how-it-works {
    background-color: var(--color-background);
    background: var(--gradient-section);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    position: relative;
}

/* Connecting line between steps */
.steps-grid::before {
    content: '';
    position: absolute;
    top: 32px;
    left: 12%;
    right: 12%;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    opacity: 0.2;
    z-index: 0;
}

.step-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    z-index: 1;
}

.step-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-6px);
    border-color: var(--color-border);
}

.step-number {
    width: 56px;
    height: 56px;
    background: var(--color-primary-gradient);
    color: var(--color-text-on-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin: 0 auto var(--spacing-lg);
    box-shadow: 0 4px 12px rgba(217, 119, 87, 0.3);
}

.step-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.step-description {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* =============================================
   SERVICES
   ============================================= */
.services {
    background-color: var(--color-surface-alt);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

.service-card {
    background-color: var(--color-surface);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-card);
    transition: all var(--transition-base);
    border: 1px solid var(--color-border-light);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-primary-gradient);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.service-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-6px);
    border-color: transparent;
}

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

.service-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(217, 119, 87, 0.1) 0%, rgba(26, 95, 90, 0.1) 100%);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-primary);
    transition: all var(--transition-base);
}

.service-card:hover .service-icon {
    background: var(--color-primary-gradient);
    color: white;
    transform: scale(1.05);
}

.service-icon svg {
    width: 28px;
    height: 28px;
}

.service-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.service-description {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.service-industries {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.industry-tag {
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--color-primary-dark);
    background-color: rgba(217, 119, 87, 0.08);
    padding: 6px 14px;
    border-radius: var(--border-radius-full);
    transition: all var(--transition-fast);
}

.industry-tag:hover {
    background-color: rgba(217, 119, 87, 0.15);
}

/* =============================================
   RESULTS / STATS
   ============================================= */
.results {
    background: var(--gradient-dark);
    color: var(--color-text-on-dark);
    position: relative;
    overflow: hidden;
}

/* Subtle pattern overlay */
.results::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 24px 24px;
    pointer-events: none;
}

.results .section-header {
    position: relative;
    z-index: 1;
}

.results .section-title {
    color: var(--color-text-on-dark);
}

.results .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-3xl);
    position: relative;
    z-index: 1;
}

.stat-card {
    text-align: center;
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: all var(--transition-base);
}

.stat-card:hover {
    background: rgba(255, 255, 255, 0.06);
    transform: translateY(-4px);
}

.stat-number {
    font-family: var(--font-display);
    font-size: var(--font-size-5xl);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: var(--font-size-base);
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

.testimonials-placeholder {
    display: none;
}

.placeholder-note {
    font-size: var(--font-size-base);
    opacity: 0.7;
}

/* =============================================
   TEAM
   ============================================= */
.team {
    background-color: var(--color-background);
}

.team-grid {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2xl);
    flex-wrap: wrap;
}

.team-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-2xl) var(--spacing-xl);
    text-align: center;
    max-width: 340px;
    box-shadow: var(--shadow-card);
    transition: all var(--transition-base);
}

.team-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-6px);
    border-color: transparent;
}

.team-photo {
    width: 140px;
    height: 140px;
    margin: 0 auto var(--spacing-lg);
    border-radius: 50%;
    overflow: hidden;
    position: relative;
    padding: 4px;
    background: var(--color-primary-gradient);
}

.team-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    border-radius: 50%;
    border: 4px solid var(--color-surface);
}

.photo-placeholder {
    width: 100%;
    height: 100%;
    background: var(--color-surface-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    border-radius: 50%;
}

.team-name {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.team-title {
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.team-bio {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.team-social {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
}

.social-link {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background-color: var(--color-surface-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
    border: 1px solid var(--color-border-light);
}

.social-link:hover {
    background: var(--color-primary-gradient);
    color: var(--color-text-on-dark);
    border-color: transparent;
    transform: translateY(-2px);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

/* =============================================
   PRICING
   ============================================= */
.pricing {
    background: var(--gradient-section);
}

.pricing-card {
    max-width: 520px;
    margin: 0 auto;
    background-color: var(--color-surface);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-2xl) var(--spacing-2xl) var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--color-border-light);
}

/* Gradient border effect */
.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--color-primary-gradient);
}

/* Recommended badge */
.pricing-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--color-primary-gradient);
    color: white;
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius-full);
    margin-bottom: var(--spacing-lg);
}

.pricing-name {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.pricing-price {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border-light);
}

.price-from {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

.price-amount {
    font-family: var(--font-display);
    font-size: var(--font-size-6xl);
    font-weight: 800;
    background: var(--color-primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.03em;
}

.price-period {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    font-weight: 500;
}

.pricing-features {
    text-align: left;
    margin-bottom: var(--spacing-xl);
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    font-size: var(--font-size-base);
    color: var(--color-text);
}

.pricing-features svg {
    color: var(--color-primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.pricing-card .btn {
    width: 100%;
}

/* =============================================
   FAQ
   ============================================= */
.faq {
    background-color: var(--color-background);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
    background: var(--color-surface);
    overflow: hidden;
    transition: all var(--transition-base);
}

.faq-item:hover {
    border-color: var(--color-border);
}

.faq-item.active {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(217, 119, 87, 0.1);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text);
    text-align: left;
    transition: color var(--transition-fast);
}

.faq-question span {
    flex: 1;
    padding-right: var(--spacing-md);
}

.faq-question:hover {
    color: var(--color-primary);
}

.faq-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--color-surface-alt);
    transition: all var(--transition-base);
    color: var(--color-text-secondary);
}

.faq-icon svg {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-base);
}

.faq-item.active .faq-icon {
    background: var(--color-primary-gradient);
    color: white;
}

.faq-item.active .faq-icon svg {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-base);
    line-height: 1.7;
    padding: 0 var(--spacing-xl) var(--spacing-lg);
}

/* =============================================
   CONTACT
   ============================================= */
.contact {
    background: var(--gradient-section);
}

.contact-form {
    max-width: 560px;
    margin: 0 auto;
    background-color: var(--color-surface);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-border-light);
}

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

.form-group label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
    background: var(--color-surface);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}

.form-group input:hover,
.form-group textarea:hover {
    border-color: var(--color-text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(217, 119, 87, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 140px;
    line-height: 1.6;
}

.contact-form .btn {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-xl);
}

.form-success {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
}

.form-success svg {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.form-success h3 {
    font-size: var(--text-2xl);
    margin-bottom: var(--spacing-sm);
}

.form-success p {
    color: var(--color-text-muted);
}

.contact-email {
    text-align: center;
    margin-top: var(--spacing-xl);
    color: var(--color-text-secondary);
    font-size: var(--font-size-base);
}

.contact-email a {
    font-weight: 600;
    color: var(--color-primary);
}

.contact-email a:hover {
    color: var(--color-primary-dark);
}

/* Calendar Booking Button */
.calendar-booking {
    text-align: center;
    margin-top: var(--spacing-xl);
}

.booking-divider {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
}

.booking-divider::before,
.booking-divider::after {
    content: '';
    flex: 1;
    max-width: 100px;
    height: 1px;
    background: var(--color-border);
}

#google-calendar-button {
    display: flex;
    justify-content: center;
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
    background-color: var(--color-text);
    color: var(--color-text-on-dark);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-brand .logo {
    display: inline-block;
    margin-bottom: var(--spacing-md);
}

.footer-brand .logo-opus {
    color: var(--color-primary-light);
}

.footer-brand .logo-intelligence {
    color: var(--color-text-on-dark);
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-base);
    line-height: 1.6;
    max-width: 280px;
}

.footer-nav h4,
.footer-social h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-on-dark);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-nav ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-nav a {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
    display: inline-block;
}

.footer-nav a:hover {
    color: var(--color-text-on-dark);
    transform: translateX(4px);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-social .social-links a {
    width: 42px;
    height: 42px;
    border-radius: var(--border-radius);
    background-color: rgba(255, 255, 255, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.7);
    transition: all var(--transition-base);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-social .social-links a:hover {
    background: var(--color-primary-gradient);
    border-color: transparent;
    color: white;
    transform: translateY(-2px);
}

.footer-social .social-links a svg {
    width: 20px;
    height: 20px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-bottom p {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.4);
}

.footer-legal {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-legal a {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.4);
    transition: color var(--transition-fast);
}

.footer-legal a:hover {
    color: var(--color-text-on-dark);
}

/* =============================================
   DIALOGFLOW MESSENGER WIDGET STYLING
   ============================================= */
df-messenger {
    --df-messenger-bot-message: var(--color-surface-alt);
    --df-messenger-button-titlebar-color: var(--color-primary);
    --df-messenger-chat-background-color: var(--color-surface);
    --df-messenger-font-color: var(--color-text);
    --df-messenger-send-icon: var(--color-primary);
    --df-messenger-user-message: var(--color-primary);
    --df-messenger-minimized-chat-close-icon-color: var(--color-text-on-dark);

    z-index: 999;
}

/* =============================================
   ANIMATIONS
   ============================================= */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Staggered animations for grid items */
.fade-in:nth-child(1) { transition-delay: 0s; }
.fade-in:nth-child(2) { transition-delay: 0.1s; }
.fade-in:nth-child(3) { transition-delay: 0.2s; }
.fade-in:nth-child(4) { transition-delay: 0.3s; }

/* Smooth hover transitions for interactive elements */
a, button, .btn, input, textarea {
    transition: all var(--transition-fast);
}

/* Focus states for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Selection color */
::selection {
    background: rgba(217, 119, 87, 0.2);
    color: var(--color-text);
}

/* =============================================
   RESPONSIVE STYLES
   ============================================= */

/* Large Desktop */
@media (min-width: 1400px) {
    .container {
        max-width: 1280px;
    }
}

/* Tablet */
@media (max-width: 1024px) {
    :root {
        --font-size-5xl: 44px;
        --font-size-6xl: 52px;
        --spacing-section: 80px;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

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

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-trust {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
    }

    .hero-visual-card {
        max-width: 380px;
    }

    .floating-badge {
        display: none;
    }

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

    .steps-grid::before {
        display: none;
    }

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

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }

    .footer-brand {
        grid-column: 1 / -1;
        text-align: center;
    }

    .footer-tagline {
        max-width: none;
        margin: 0 auto;
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --font-size-4xl: 32px;
        --font-size-5xl: 36px;
        --font-size-6xl: 44px;
        --spacing-section: 64px;
    }

    /* Mobile Navigation */
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background-color: var(--color-surface);
        flex-direction: column;
        padding: var(--spacing-xl);
        gap: var(--spacing-md);
        box-shadow: var(--shadow-xl);
        transform: translateX(-100%);
        transition: transform var(--transition-base);
        border-bottom: 1px solid var(--color-border);
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .nav-cta {
        display: none;
    }

    .nav-menu .nav-link {
        font-size: var(--font-size-base);
        padding: var(--spacing-sm) 0;
    }

    .nav-link::after {
        display: none;
    }

    /* Hero */
    .hero {
        padding-top: calc(80px + var(--spacing-2xl));
    }

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

    .hero-title {
        font-size: var(--font-size-4xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-lg);
    }

    .hero-trust {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: center;
    }

    .hero-visual-card {
        max-width: 100%;
        padding: var(--spacing-lg);
    }

    /* Steps */
    .steps-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .step-card {
        padding: var(--spacing-lg);
    }

    /* Services */
    .services-grid {
        grid-template-columns: 1fr;
    }

    .service-card {
        padding: var(--spacing-xl);
    }

    /* Stats */
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-md);
    }

    .stat-card {
        padding: var(--spacing-lg);
    }

    .stat-number {
        font-size: var(--font-size-4xl);
    }

    /* Team */
    .team-grid {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-xl);
    }

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

    /* Pricing */
    .pricing-card {
        padding: var(--spacing-xl);
    }

    .price-amount {
        font-size: var(--font-size-5xl);
    }

    /* FAQ */
    .faq-question {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-sm);
    }

    .faq-answer p {
        padding: 0 var(--spacing-lg) var(--spacing-md);
    }

    /* Contact */
    .contact-form {
        padding: var(--spacing-xl);
    }

    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-xl);
    }

    .footer-nav ul {
        align-items: center;
    }

    .social-links {
        justify-content: center;
    }

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

/* Small Mobile */
@media (max-width: 480px) {
    :root {
        --font-size-4xl: 28px;
        --font-size-5xl: 32px;
        --spacing-section: 56px;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .hero-cta {
        flex-direction: column;
        width: 100%;
    }

    .hero-cta .btn {
        width: 100%;
    }

    .section-title {
        font-size: var(--font-size-2xl);
    }

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

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

    .pricing-card {
        padding: var(--spacing-lg);
    }

    .price-amount {
        font-size: var(--font-size-4xl);
    }

    .contact-form {
        padding: var(--spacing-lg);
    }

    .waveform {
        height: 40px;
    }

    .waveform-bar {
        width: 3px;
    }
}