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

:root {
    /* Colors - Premium Refined Palette */
    --color-near-black: #0A0A0A;
    --color-soft-white: #FFFFFF;
    --color-gray-text: #6B6B6B;
    --color-light-gray: #F5F5F5;
    --color-border: rgba(0, 0, 0, 0.06);
    
    /* Accent - Choose ONE */
    --color-accent: #3B82F6; /* Precision Blue - default */
    --color-accent-hover: rgba(59, 130, 246, 0.08);
    /* --color-accent: #F59E0B; */ /* Signal Amber - alternative */
    /* --color-accent-hover: rgba(245, 158, 11, 0.08); */
    
    /* Typography - Premium Refinement */
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "SF Pro Display", Inter, "Helvetica Neue", sans-serif;
    
    /* Spacing - Premium Proportions */
    --spacing-section: 10rem;
    --spacing-large: 7rem;
    --spacing-medium: 5rem;
    --spacing-small: 2.5rem;
    --spacing-xs: 3.5rem;
    
    /* Container */
    --container-max-width: 1400px;
    --container-padding-desktop: 6rem;
    --container-padding-mobile: 2rem;
    --content-max-width: 720px;
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

body {
    font-family: var(--font-family);
    color: var(--color-near-black);
    background-color: var(--color-soft-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: "kern" 1, "liga" 1;
    text-rendering: optimizeLegibility;
}

/* Container */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding-desktop);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--container-padding-mobile);
    }
}

/* Typography - Premium Refinement */
.hero-headline {
    font-size: clamp(56px, 7vw, 88px);
    font-weight: 400;
    line-height: 1.15;
    letter-spacing: -0.04em;
    color: var(--color-near-black);
    margin-bottom: 2rem;
    font-feature-settings: "kern" 1;
}

.hero-insight {
    font-size: clamp(24px, 2.5vw, 32px);
    font-weight: 400;
    line-height: 1.5;
    color: var(--color-gray-text);
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero-brand {
    font-size: clamp(20px, 2vw, 24px);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-gray-text);
    margin-bottom: 4rem;
    letter-spacing: -0.01em;
    opacity: 0.8;
}

.section-headline {
    font-size: clamp(44px, 5vw, 64px);
    font-weight: 400;
    line-height: 1.2;
    letter-spacing: -0.025em;
    color: var(--color-near-black);
    margin-bottom: var(--spacing-xs);
}


.body-text {
    font-size: clamp(19px, 1.6vw, 22px);
    font-weight: 400;
    line-height: 1.7;
    color: var(--color-near-black);
    max-width: var(--content-max-width);
    letter-spacing: -0.01em;
}

.section-label {
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray-text);
    display: block;
    margin-bottom: var(--spacing-small);
}

.secondary-text {
    font-size: 16px;
    font-weight: 400;
    line-height: 1.5;
    color: var(--color-gray-text);
    margin-top: var(--spacing-small);
}

.point {
    font-size: clamp(19px, 1.6vw, 22px);
    font-weight: 400;
    line-height: 1.7;
    color: var(--color-near-black);
    letter-spacing: -0.01em;
}

/* Sections */
section {
    padding: var(--spacing-section) 0;
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 12rem 0;
    position: relative;
}

.hero .container {
    display: flex;
    justify-content: flex-start;
    align-items: center;
}

.hero-content {
    max-width: 700px;
    text-align: left;
    position: relative;
}

.hero-content::before {
    content: '';
    position: absolute;
    left: -3rem;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--color-light-gray);
    opacity: 0.3;
}


.insight,
.reduction {
    padding: var(--spacing-section) 0;
    background-color: var(--color-light-gray);
}

.reduction .container {
    max-width: 900px;
}

.outcome {
    padding: var(--spacing-section) 0;
}

.insight .container {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 8rem;
    align-items: center;
}

.insight-content {
    max-width: 100%;
}

.insight-visual {
    position: relative;
}

.insight-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 2px;
}

.outcome .container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 6rem;
}

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

.outcome-visual {
    position: relative;
    margin-top: 2rem;
}

.outcome-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 2px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
}

.invitation {
    padding: var(--spacing-section) 0 14rem;
    text-align: center;
}

.invitation .content-block {
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-medium);
}

.invitation .body-text {
    text-align: center;
}

/* Content Blocks */
.content-block {
    max-width: var(--content-max-width);
}

.content-block .body-text + .body-text {
    margin-top: var(--spacing-small);
}

.points-list {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.points-list .point {
    margin: 0;
    position: relative;
    padding-left: 0;
}

.reduction .points-list .point {
    padding-left: 0;
}

/* CTAs - Premium Refinement */
.cta-primary {
    display: inline-block;
    font-size: 16px;
    font-weight: 500;
    color: var(--color-accent);
    text-decoration: none;
    padding: 1rem 2.5rem;
    border: 1px solid var(--color-accent);
    background: transparent;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    letter-spacing: -0.01em;
    border-radius: 0;
    margin-top: 0;
}

.cta-primary:hover {
    background-color: var(--color-accent-hover);
    border-color: var(--color-accent);
}

.cta-primary:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
}

.cta-primary:active {
    transform: translateY(1px);
}

/* Responsive */
@media (max-width: 1024px) {
    .hero {
        padding: 8rem 0;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-content::before {
        left: -2rem;
    }
}
    
    .insight .container {
        grid-template-columns: 1fr;
        gap: 6rem;
    }
    
    .insight-visual {
        order: -1;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-section: 5rem;
        --spacing-large: 4rem;
        --spacing-medium: 3rem;
        --spacing-small: 2rem;
        --spacing-xs: 2.5rem;
        --container-padding-desktop: 2rem;
    }
    
    .hero {
        min-height: auto;
        padding: 6rem 0;
    }
    
    .hero-content::before {
        left: -1.5rem;
        opacity: 0.2;
    }
    
    .hero-headline {
        margin-bottom: 1.5rem;
    }

    .hero-insight {
        margin-bottom: 1.25rem;
    }

    .hero-brand {
        margin-bottom: 3rem;
    }
    
    .insight .container {
        gap: 4rem;
    }
    
    .reduction {
        padding: 4rem 0;
    }
    
    .invitation {
        padding-bottom: 6rem;
    }
    
    .hero-image,
    .insight-image,
    .outcome-image {
        box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    }
    
    .points-list {
        gap: 2rem;
    }
}

/* Premium Image Styling */
.hero-image,
.insight-image,
.outcome-image {
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    width: 100%;
    height: auto;
    object-fit: cover;
}

.hero-image {
    border-radius: 2px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.insight-image {
    border-radius: 2px;
}

.outcome-image {
    border-radius: 2px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

@media (hover: hover) {
    .hero-image:hover,
    .insight-image:hover,
    .outcome-image:hover {
        transform: translateY(-4px);
    }
    
    .hero-image:hover,
    .outcome-image:hover {
        box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
    }
}

/* Subtle scroll animation - Premium */
@media (prefers-reduced-motion: no-preference) {
    .hero-content,
    .insight-content,
    .insight-visual,
    .outcome-content,
    .outcome-visual {
        opacity: 0;
        transform: translateY(24px);
        animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    }
    
    .insight-content {
        animation-delay: 0.1s;
    }
    
    .insight-visual {
        animation-delay: 0.25s;
    }
    
    .outcome-content {
        animation-delay: 0.1s;
    }
    
    .outcome-visual {
        animation-delay: 0.2s;
    }
    
    @keyframes fadeInUp {
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
}