/* ========================================
   PROAI - Consultoria Inteligente Tributária
   Stylesheet Principal
   ======================================== */

:root {
    --color-deep-blue: #0a2540;
    --color-navy: #0d3156;
    --color-petrol: #134e6f;
    --color-graphite: #1e2d3d;
    --color-slate: #3d5a73;
    --color-silver: #8fa3b8;
    --color-white: #ffffff;
    --color-off-white: #f8fafc;
    --color-accent: #00d4aa;
    --color-accent-light: #00e6b8;
    --color-accent-glow: rgba(0, 212, 170, 0.15);
    --color-violet: #7c5cff;
    --color-violet-subtle: rgba(124, 92, 255, 0.08);
    
    --font-display: 'Syne', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    
    --shadow-sm: 0 2px 8px rgba(10, 37, 64, 0.08);
    --shadow-md: 0 8px 32px rgba(10, 37, 64, 0.12);
    --shadow-lg: 0 24px 64px rgba(10, 37, 64, 0.16);
    --shadow-glow: 0 0 60px rgba(0, 212, 170, 0.2);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background: var(--color-deep-blue);
    color: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: var(--color-accent);
    color: var(--color-deep-blue);
}

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

::-webkit-scrollbar-track {
    background: var(--color-deep-blue);
}

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

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

/* ========================================
   LAYOUT
   ======================================== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

@media (min-width: 768px) {
    .container {
        padding: 0 48px;
    }
}

/* ========================================
   TYPOGRAPHY
   ======================================== */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

/* ========================================
   BACKGROUND PATTERNS
   ======================================== */
.bg-pattern {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.4;
}

.bg-pattern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 20% 0%, rgba(0, 212, 170, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 100%, rgba(124, 92, 255, 0.06) 0%, transparent 50%);
}

.grid-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 100% 100% at 50% 0%, black 0%, transparent 70%);
}

/* ========================================
   HEADER / NAVIGATION
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.4s var(--ease-out-expo);
}

.header.scrolled {
    background: rgba(10, 37, 64, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 12px 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--color-white);
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 22px;
    color: var(--color-deep-blue);
    box-shadow: var(--shadow-glow);
}

.logo-text {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 24px;
    letter-spacing: -0.02em;
}

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

.nav {
    display: none;
}

@media (min-width: 1024px) {
    .nav {
        display: flex;
        align-items: center;
        gap: 40px;
    }
}

.nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--color-silver);
    text-decoration: none;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width 0.3s var(--ease-out-expo);
}

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

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

.header-cta {
    display: none;
}

@media (min-width: 768px) {
    .header-cta {
        display: block;
    }
}

.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

@media (min-width: 1024px) {
    .mobile-menu-btn {
        display: none;
    }
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    transition: all 0.3s ease;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 37, 64, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s var(--ease-out-expo);
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu .nav-link {
    font-size: 24px;
    font-family: var(--font-display);
    color: var(--color-white);
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    transition: all 0.4s var(--ease-out-expo);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    color: var(--color-deep-blue);
    box-shadow: 0 4px 20px rgba(0, 212, 170, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 212, 170, 0.4);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 18px 36px;
    font-size: 16px;
    border-radius: 14px;
}

.btn-icon {
    width: 20px;
    height: 20px;
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

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

.hero-orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 212, 170, 0.15) 0%, transparent 70%);
    top: -200px;
    right: -100px;
    animation-delay: 0s;
}

.hero-orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(124, 92, 255, 0.1) 0%, transparent 70%);
    bottom: -100px;
    left: -100px;
    animation-delay: -10s;
}

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

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: var(--color-accent-glow);
    border: 1px solid rgba(0, 212, 170, 0.2);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-accent);
    margin-bottom: 32px;
    animation: fadeInUp 0.8s var(--ease-out-expo) both;
}

.hero-badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    margin-bottom: 24px;
    animation: fadeInUp 0.8s var(--ease-out-expo) 0.1s both;
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    color: var(--color-silver);
    margin-bottom: 40px;
    max-width: 600px;
    line-height: 1.7;
    animation: fadeInUp 0.8s var(--ease-out-expo) 0.2s both;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    animation: fadeInUp 0.8s var(--ease-out-expo) 0.3s both;
}

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

.hero-visual {
    position: absolute;
    right: -5%;
    top: 50%;
    transform: translateY(-50%);
    width: 50%;
    max-width: 700px;
    display: none;
}

@media (min-width: 1200px) {
    .hero-visual {
        display: block;
    }
}

.hero-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    padding: 40px;
    animation: fadeInRight 1s var(--ease-out-expo) 0.5s both;
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px) translateY(-50%);
    }
    to {
        opacity: 1;
        transform: translateX(0) translateY(-50%);
    }
}

.hero-card-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-card-icon {
    width: 56px;
    height: 56px;
    background: var(--color-accent-glow);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-card-icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-accent);
}

.hero-card-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
}

.hero-card-subtitle {
    font-size: 14px;
    color: var(--color-silver);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.hero-stat {
    text-align: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.hero-stat-value {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 4px;
}

.hero-stat-label {
    font-size: 13px;
    color: var(--color-silver);
}

/* ========================================
   SECTIONS COMMON
   ======================================== */
.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: 20px;
}

.section-label::before {
    content: '';
    width: 24px;
    height: 2px;
    background: var(--color-accent);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 24px;
}

.section-text {
    font-size: 1.1rem;
    color: var(--color-silver);
    line-height: 1.8;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 80px;
}

/* ========================================
   VALUE PROPOSITION
   ======================================== */
.value-prop {
    padding: 100px 0;
    position: relative;
}

.value-prop-inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: 60px;
    align-items: center;
}

@media (min-width: 1024px) {
    .value-prop-inner {
        grid-template-columns: 1fr 1fr;
    }
}

.value-prop-content {
    max-width: 540px;
}

.value-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.value-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 20px;
    padding: 28px;
    transition: all 0.4s var(--ease-out-expo);
}

.value-card:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(0, 212, 170, 0.2);
    transform: translateY(-4px);
}

.value-card-icon {
    width: 48px;
    height: 48px;
    background: var(--color-accent-glow);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.value-card-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-accent);
}

.value-card-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.value-card-text {
    font-size: 14px;
    color: var(--color-silver);
    line-height: 1.6;
}

/* ========================================
   HOW IT WORKS
   ======================================== */
.how-it-works {
    padding: 100px 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 212, 170, 0.02) 50%, transparent 100%);
    position: relative;
}

.how-it-works::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
}

.steps-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

@media (min-width: 768px) {
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1200px) {
    .steps-grid {
        grid-template-columns: repeat(5, 1fr);
        gap: 0;
    }
}

.step {
    position: relative;
    padding: 32px 24px;
    text-align: center;
}

@media (min-width: 1200px) {
    .step:not(:last-child)::after {
        content: '';
        position: absolute;
        top: 48px;
        right: -20px;
        width: 40px;
        height: 2px;
        background: linear-gradient(90deg, var(--color-accent), transparent);
    }
}

.step-number {
    width: 64px;
    height: 64px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--color-accent-glow) 0%, transparent 100%);
    border: 2px solid var(--color-accent);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    color: var(--color-accent);
}

.step-title {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 12px;
}

.step-text {
    font-size: 14px;
    color: var(--color-silver);
    line-height: 1.6;
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

@media (min-width: 768px) {
    .highlights-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px;
}

.highlight-icon {
    width: 20px;
    height: 20px;
    color: var(--color-accent);
    flex-shrink: 0;
}

.highlight-text {
    font-size: 14px;
    font-weight: 500;
}

/* ========================================
   ANALYSIS SECTION
   ======================================== */
.analysis {
    padding: 100px 0;
    position: relative;
}

.analysis-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}

@media (min-width: 1024px) {
    .analysis-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.analysis-block {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 24px;
    padding: 40px;
}

.analysis-block-title {
    font-size: 20px;
    margin-bottom: 28px;
    display: flex;
    align-items: center;
    gap: 14px;
}

.analysis-block-icon {
    width: 44px;
    height: 44px;
    background: var(--color-accent-glow);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.analysis-block-icon svg {
    width: 22px;
    height: 22px;
    color: var(--color-accent);
}

.tax-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.tax-tag {
    padding: 12px 20px;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.1) 0%, rgba(0, 212, 170, 0.05) 100%);
    border: 1px solid rgba(0, 212, 170, 0.2);
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-accent);
}

.opportunity-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.opportunity-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 16px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.opportunity-item:hover {
    background: rgba(255, 255, 255, 0.04);
}

.opportunity-icon {
    width: 24px;
    height: 24px;
    color: var(--color-accent);
    flex-shrink: 0;
    margin-top: 2px;
}

.opportunity-text {
    font-size: 15px;
    color: var(--color-silver);
    line-height: 1.5;
}

/* ========================================
   SEGMENTS SECTION
   ======================================== */
.segments {
    padding: 100px 0;
    background: linear-gradient(180deg, transparent 0%, rgba(124, 92, 255, 0.02) 50%, transparent 100%);
}

.segments-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

@media (min-width: 768px) {
    .segments-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .segments-grid {
        grid-template-columns: repeat(6, 1fr);
    }
}

.segment-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 20px;
    padding: 32px 20px;
    text-align: center;
    transition: all 0.4s var(--ease-out-expo);
}

.segment-card:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(124, 92, 255, 0.3);
    transform: translateY(-6px);
}

.segment-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
    background: var(--color-violet-subtle);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.segment-icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-violet);
}

.segment-title {
    font-size: 14px;
    font-weight: 600;
    line-height: 1.4;
}

/* ========================================
   AI SECTION
   ======================================== */
.ai-section {
    padding: 100px 0;
    position: relative;
}

.ai-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 60px;
    align-items: center;
}

@media (min-width: 1024px) {
    .ai-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.ai-visual {
    position: relative;
}

.ai-graphic {
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
    aspect-ratio: 1;
    position: relative;
}

.ai-circle {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(0, 212, 170, 0.2);
    animation: aiRotate 30s linear infinite;
}

.ai-circle-1 {
    inset: 0;
}

.ai-circle-2 {
    inset: 15%;
    animation-direction: reverse;
    animation-duration: 25s;
}

.ai-circle-3 {
    inset: 30%;
    animation-duration: 20s;
}

@keyframes aiRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.ai-center {
    position: absolute;
    inset: 35%;
    background: linear-gradient(135deg, var(--color-accent-glow) 0%, rgba(124, 92, 255, 0.1) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-glow);
}

.ai-center svg {
    width: 40%;
    height: 40%;
    color: var(--color-accent);
}

.ai-node {
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--color-accent);
    border-radius: 50%;
    box-shadow: 0 0 20px var(--color-accent);
}

.ai-node-1 { top: 0; left: 50%; transform: translateX(-50%); }
.ai-node-2 { top: 50%; right: 0; transform: translateY(-50%); }
.ai-node-3 { bottom: 0; left: 50%; transform: translateX(-50%); }
.ai-node-4 { top: 50%; left: 0; transform: translateY(-50%); }

.ai-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 32px;
}

.ai-feature {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.ai-feature:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(0, 212, 170, 0.2);
}

.ai-feature-icon {
    width: 40px;
    height: 40px;
    background: var(--color-accent-glow);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.ai-feature-icon svg {
    width: 20px;
    height: 20px;
    color: var(--color-accent);
}

.ai-feature-text {
    font-size: 15px;
    color: var(--color-silver);
    line-height: 1.6;
}

.ai-statement {
    margin-top: 32px;
    padding: 24px;
    background: linear-gradient(135deg, var(--color-accent-glow) 0%, transparent 100%);
    border-left: 3px solid var(--color-accent);
    border-radius: 0 12px 12px 0;
}

.ai-statement p {
    font-size: 15px;
    font-style: italic;
    color: var(--color-silver);
}

/* ========================================
   SECURITY SECTION
   ======================================== */
.security {
    padding: 100px 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 212, 170, 0.02) 50%, transparent 100%);
}

.security-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

@media (min-width: 768px) {
    .security-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .security-grid {
        grid-template-columns: repeat(5, 1fr);
    }
}

.security-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 20px;
    padding: 28px 20px;
    text-align: center;
    transition: all 0.4s var(--ease-out-expo);
}

.security-item:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(0, 212, 170, 0.2);
    transform: translateY(-4px);
}

.security-icon {
    width: 52px;
    height: 52px;
    margin: 0 auto 18px;
    background: var(--color-accent-glow);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.security-icon svg {
    width: 26px;
    height: 26px;
    color: var(--color-accent);
}

.security-title {
    font-size: 14px;
    font-weight: 600;
    line-height: 1.4;
}

/* ========================================
   DIFFERENTIALS SECTION
   ======================================== */
.differentials {
    padding: 100px 0;
}

.diff-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

@media (min-width: 768px) {
    .diff-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .diff-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.diff-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 24px;
    padding: 36px;
    transition: all 0.4s var(--ease-out-expo);
    position: relative;
    overflow: hidden;
}

.diff-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-violet));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s var(--ease-out-expo);
}

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

.diff-card:hover::before {
    transform: scaleX(1);
}

.diff-number {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 800;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.3) 0%, rgba(124, 92, 255, 0.2) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
}

.diff-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
}

.diff-text {
    font-size: 15px;
    color: var(--color-silver);
    line-height: 1.6;
}

/* ========================================
   CTA SECTION
   ======================================== */
.cta-section {
    padding: 120px 0;
    position: relative;
}

.cta-container {
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-graphite) 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 32px;
    padding: 80px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 30%, rgba(0, 212, 170, 0.08) 0%, transparent 40%),
                radial-gradient(circle at 70% 70%, rgba(124, 92, 255, 0.06) 0%, transparent 40%);
    animation: ctaGlow 15s ease-in-out infinite;
}

@keyframes ctaGlow {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-5%, -5%); }
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 24px;
}

.cta-text {
    font-size: 1.1rem;
    color: var(--color-silver);
    margin-bottom: 40px;
    line-height: 1.7;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    padding: 80px 0 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    margin-bottom: 60px;
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

.footer-brand p {
    font-size: 15px;
    color: var(--color-silver);
    line-height: 1.7;
    margin-top: 20px;
    max-width: 300px;
}

.footer-title {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 24px;
    color: var(--color-white);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.footer-link {
    font-size: 15px;
    color: var(--color-silver);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }
}

.footer-copyright {
    font-size: 14px;
    color: var(--color-silver);
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    font-size: 14px;
    color: var(--color-silver);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* ========================================
   SCROLL ANIMATIONS
   ======================================== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s var(--ease-out-expo);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }