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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--color-text-body);
    background-color: #FFFFFF;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-text-main);
    line-height: 1.25;
    font-weight: 700;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4.25rem);
    letter-spacing: -0.03em;
}

h2 {
    font-size: clamp(1.85rem, 3.5vw, 2.75rem);
    letter-spacing: -0.025em;
}

h3 {
    font-size: clamp(1.25rem, 2vw, 1.6rem);
    letter-spacing: -0.02em;
}

p {
    margin-bottom: var(--space-4);
}

p:last-child {
    margin-bottom: 0;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

/* Layout Utilities */
.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 var(--space-5);
}

.container-narrow {
    max-width: 860px;
}

.container-wide {
    max-width: 1360px;
}

/* Grid Systems */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-5);
}

@media (max-width: 1024px) {
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
}

/* Section Header Typography */
.section-header {
    text-align: center;
    max-width: 760px;
    margin: 0 auto var(--space-10) auto;
}

.section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: rgba(0, 169, 232, 0.08);
    color: var(--color-primary);
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-3);
    border: 1px solid rgba(0, 169, 232, 0.15);
}

.section-eyebrow-dark {
    background: rgba(255, 255, 255, 0.06);
    color: var(--color-primary-light);
    border-color: rgba(255, 255, 255, 0.1);
}

.section-title {
    margin-bottom: var(--space-3);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* Base Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-brand);
    color: #FFFFFF;
    box-shadow: 0 8px 20px -4px rgba(0, 169, 232, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px -4px rgba(0, 169, 232, 0.5);
    color: #FFFFFF;
}

.btn-outline {
    background: transparent;
    color: var(--color-text-main);
    border: 1px solid var(--color-light-300);
}

.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(0, 169, 232, 0.04);
}

.btn-white {
    background: #FFFFFF;
    color: var(--color-dark-900);
    box-shadow: var(--shadow-md);
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--color-dark-900);
}

/* Animations on scroll */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}