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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-size: var(--fs-body);
    font-weight: var(--fw-regular);
    line-height: var(--lh-normal);
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: var(--fw-bold);
    line-height: var(--lh-tight);
    color: var(--color-text);
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }

p {
    margin-bottom: var(--space-4);
    line-height: var(--lh-relaxed);
}

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

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

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

ul, ol {
    list-style: none;
}

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

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

/* === UTILITIES === */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.container--narrow {
    max-width: var(--container-narrow);
}

.section {
    padding: var(--space-20) 0;
}

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

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

.text-white {
    color: var(--color-text-white);
}

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

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--fs-button);
    font-weight: var(--fw-semibold);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    text-decoration: none;
    line-height: 1;
    min-height: 48px;
}

.btn--primary {
    background: var(--color-primary);
    color: var(--color-text-white);
}

.btn--primary:hover {
    background: var(--color-primary-dark);
    color: var(--color-text-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn--secondary {
    background: var(--color-secondary);
    color: var(--color-text-white);
}

.btn--secondary:hover {
    background: var(--color-secondary-dark);
    color: var(--color-text-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn--outline {
    background: transparent;
    color: var(--color-text-white);
    border: 2px solid var(--color-text-white);
}

.btn--outline:hover {
    background: var(--color-text-white);
    color: var(--color-text);
    transform: translateY(-2px);
}

.btn--lg {
    padding: var(--space-4) var(--space-8);
    font-size: 1.0625rem;
    min-height: 56px;
    border-radius: var(--radius-lg);
}

.btn--white {
    background: var(--color-text-white);
    color: var(--color-primary-dark);
}

.btn--white:hover {
    background: var(--color-bg);
    color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* === BADGE === */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    font-size: var(--fs-caption);
    font-weight: var(--fw-semibold);
    border-radius: var(--radius-xl);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge--light {
    background: rgba(255, 255, 255, 0.25);
    color: var(--color-text-white);
    backdrop-filter: blur(4px);
}

.badge--accent {
    background: var(--color-accent-yellow);
    color: var(--color-text);
}

/* === SECTION HEADER === */
.section-header {
    text-align: center;
    margin-bottom: var(--space-12);
}

.section-header__subtitle {
    display: inline-block;
    font-size: var(--fs-body-sm);
    font-weight: var(--fw-semibold);
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--space-3);
}

.section-header__title {
    margin-bottom: var(--space-4);
}

.section-header__desc {
    max-width: 600px;
    margin: 0 auto;
    color: var(--color-text-secondary);
    font-size: 1.0625rem;
}

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out both;
}

.animate-fade-in {
    animation: fadeIn 0.6s ease-out both;
}

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