/* ============================================
   RezerveApp — Base Styles
   Reset, typography, utilities
   ============================================ */

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    font-family: var(--font-primary);
    font-size: var(--fs-base);
    font-weight: var(--fw-regular);
    line-height: var(--lh-normal);
    color: var(--color-white);
    background-color: var(--color-black);
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
}

ul, ol {
    list-style: none;
}

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

input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    border: none;
    outline: none;
    background: none;
    color: inherit;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: var(--fw-bold);
    line-height: var(--lh-tight);
    letter-spacing: var(--ls-tight);
    color: var(--color-white);
}

h1 {
    font-size: var(--fs-4xl);
}

h2 {
    font-size: var(--fs-3xl);
}

h3 {
    font-size: var(--fs-2xl);
}

h4 {
    font-size: var(--fs-xl);
}

h5 {
    font-size: var(--fs-lg);
}

p {
    color: var(--color-gray-400);
    line-height: var(--lh-relaxed);
}

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

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

.text-muted {
    color: var(--color-gray-400);
}

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

.text-uppercase {
    text-transform: uppercase;
    letter-spacing: var(--ls-wide);
}

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

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

.section {
    padding: var(--space-4xl) 0;
}

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

.section--darker {
    background-color: var(--color-black);
}

/* --- Flex/Grid Helpers --- */
.flex {
    display: flex;
}

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

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

.flex-col {
    flex-direction: column;
}

.gap-sm {
    gap: var(--space-sm);
}

.gap-md {
    gap: var(--space-md);
}

.gap-lg {
    gap: var(--space-lg);
}

.gap-xl {
    gap: var(--space-xl);
}

/* --- Section Headers --- */
.section-label {
    display: inline-block;
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    text-transform: uppercase;
    letter-spacing: var(--ls-wider);
    color: var(--color-gold);
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: var(--fs-3xl);
    font-weight: var(--fw-bold);
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: var(--fs-base);
    color: var(--color-gray-400);
    max-width: 560px;
    line-height: var(--lh-relaxed);
}

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

    .section-header.text-center .section-subtitle {
        margin: 0 auto;
    }

/* --- Scroll Animations --- */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

    .reveal.revealed {
        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;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    h1 {
        font-size: var(--fs-3xl);
    }

    h2 {
        font-size: var(--fs-2xl);
    }

    h3 {
        font-size: var(--fs-xl);
    }

    .section {
        padding: var(--space-3xl) 0;
    }

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

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

/* --- Scrollbar --- */
::-webkit-scrollbar {
    width: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--color-gray-700);
    border-radius: var(--radius-full);
}

    ::-webkit-scrollbar-thumb:hover {
        background: var(--color-gray-600);
    }

/* --- Selection --- */
::selection {
    background: var(--color-gold-muted);
    color: var(--color-gold);
}