/* 
  Swella - Global Stylesheet 
  Methodology: BEM
  Typography: Playfair Display (Serif) & Inter (Sans)
*/

:root {
    --color-primary: #1a1a1a;
    --color-secondary: #f4f1ee;
    --color-accent: #8c7e6d;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-white: #ffffff;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
    --font-serif: "Playfair Display", serif;
    --font-sans: "Inter", sans-serif;
    --transition-base: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background-color: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .serif {
    font-family: var(--font-serif);
    font-weight: 400;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
}

ul {
    list-style: none;
}

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

/* --- Components --- */

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    mix-blend-mode: difference;
    color: var(--color-white);
}

.header__logo {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.nav__list {
    display: flex;
    gap: var(--spacing-md);
}

.nav__link {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.8;
}

.nav__link:hover {
    opacity: 1;
}

/* Container */
.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

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

.section--full {
    padding: 0;
}

.section__title {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

/* Hero */
.hero {
    height: 100vh;
    width: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
    transform: scale(1.1);
}

.hero__content {
    text-align: center;
    color: var(--color-white);
    z-index: 1;
}

.hero__title {
    font-size: 5rem;
    margin-bottom: var(--spacing-sm);
}

.hero__subtitle {
    font-size: 1.2rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

/* Grid Systems */
.grid {
    display: grid;
    gap: var(--spacing-md);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* Cards */
.card {
    position: relative;
    overflow: hidden;
    background: var(--color-secondary);
}

.card__img-wrapper {
    overflow: hidden;
    aspect-ratio: 4/5;
}

.card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-base);
}

.card:hover .card__img {
    transform: scale(1.05);
}

.card__body {
    padding: var(--spacing-md);
}

.card__title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.card__text {
    color: var(--color-text-light);
    font-size: 0.9rem;
}

/* Footer */
.footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.footer__contact {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
}

.footer__info {
    font-size: 0.8rem;
    opacity: 0.5;
    margin-top: var(--spacing-lg);
}

/* Animations - Initial States */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-base);
}

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

.parallax-wrap {
    overflow: hidden;
}

/* Responsive */
@media (max-width: 1024px) {
    .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
    .hero__title { font-size: 3.5rem; }
    .header { padding: var(--spacing-sm) var(--spacing-sm); }
}

@media (max-width: 768px) {
    .grid--2 { grid-template-columns: 1fr; }
    .nav { display: none; } /* Simplified for prototype */
}