/* ============================================
   FREMOS — Specialty Coffee & Bar
   Minimalist · Terracotta + Sand
   ============================================ */

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

:root {
    --color-terracotta: #C2704E;
    --color-terracotta-dark: #A85A3A;
    --color-sand: #F5F0EB;
    --color-sand-light: #FAF7F4;
    --color-sand-dark: #E8E0D8;
    --color-charcoal: #2A2522;
    --color-charcoal-light: #4A423E;
    --color-warm-gray: #8A7E78;
    --color-line: #E0D6CE;
    --color-white: #FEFCFA;

    --font-serif: 'Instrument Serif', Georgia, serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --fs-xs: clamp(0.7rem, 0.65rem + 0.25vw, 0.8rem);
    --fs-sm: clamp(0.8rem, 0.75rem + 0.3vw, 0.9rem);
    --fs-base: clamp(0.9rem, 0.85rem + 0.35vw, 1rem);
    --fs-md: clamp(1rem, 0.9rem + 0.5vw, 1.2rem);
    --fs-lg: clamp(1.2rem, 1rem + 1vw, 1.6rem);
    --fs-xl: clamp(1.6rem, 1.2rem + 2vw, 2.4rem);
    --fs-2xl: clamp(2.2rem, 1.5rem + 4vw, 4rem);
    --fs-3xl: clamp(3rem, 2rem + 5vw, 5.5rem);

    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    --space-4xl: 8rem;

    --container-max: 1200px;
    --radius-sm: 4px;
    --radius-md: 8px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-sans);
    font-weight: 300;
    font-size: var(--fs-base);
    line-height: 1.7;
    color: var(--color-charcoal);
    background-color: var(--color-sand-light);
    overflow-x: hidden;
}

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

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

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

/* ---------- Container ---------- */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 clamp(1.25rem, 4vw, 3rem);
}

/* ---------- Typography ---------- */
.section-label {
    font-family: var(--font-sans);
    font-weight: 400;
    font-size: var(--fs-xs);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-terracotta);
    margin-bottom: var(--space-lg);
}

.section-title {
    font-family: var(--font-serif);
    font-weight: 400;
    font-size: var(--fs-xl);
    line-height: 1.15;
    color: var(--color-charcoal);
    margin-bottom: var(--space-xl);
}

/* ---------- Header ---------- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(250, 247, 244, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-line);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.site-header.hidden {
    transform: translateY(-100%);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    color: var(--color-charcoal);
}

.logo-mark {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--color-terracotta);
    line-height: 1;
}

.logo-text {
    font-family: var(--font-sans);
    font-weight: 400;
    font-size: var(--fs-md);
    letter-spacing: 0.04em;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: var(--space-xl);
}

.main-nav a {
    font-size: var(--fs-sm);
    font-weight: 400;
    letter-spacing: 0.04em;
    color: var(--color-charcoal-light);
    position: relative;
    padding-bottom: 2px;
    transition: color var(--transition);
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-terracotta);
    transition: width var(--transition);
}

.main-nav a:hover {
    color: var(--color-terracotta);
}

.main-nav a:hover::after {
    width: 100%;
}

/* ---------- Nav Toggle ---------- */
.nav-toggle {
    display: none;
    width: 32px;
    height: 32px;
    position: relative;
    z-index: 1001;
}

.hamburger {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 1px;
    background: var(--color-charcoal);
    transition: var(--transition);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 1px;
    background: var(--color-charcoal);
    left: 0;
    transition: var(--transition);
}

.hamburger::before { top: -6px; }
.hamburger::after { top: 6px; }

.nav-toggle[aria-expanded="true"] .hamburger {
    background: transparent;
}

.nav-toggle[aria-expanded="true"] .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

/* ---------- Hero ---------- */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: calc(72px + var(--space-3xl)) clamp(1.25rem, 4vw, 3rem) var(--space-3xl);
    position: relative;
    background: var(--color-sand-light);
    overflow: hidden;
}

.hero-line {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 80px;
    background: linear-gradient(to bottom, transparent, var(--color-terracotta));
}

.hero-content {
    max-width: 800px;
}

.hero-eyebrow {
    font-size: var(--fs-xs);
    font-weight: 400;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-warm-gray);
    margin-bottom: var(--space-lg);
}

.hero-headline {
    font-family: var(--font-serif);
    font-weight: 400;
    font-size: var(--fs-3xl);
    line-height: 1.05;
    color: var(--color-charcoal);
    margin-bottom: var(--space-lg);
    letter-spacing: -0.01em;
}

.hero-sub {
    font-size: var(--fs-md);
    line-height: 1.7;
    color: var(--color-charcoal-light);
    max-width: 520px;
    margin: 0 auto var(--space-xl);
    font-weight: 300;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 2rem;
    font-size: var(--fs-sm);
    font-weight: 400;
    letter-spacing: 0.06em;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--color-terracotta);
    color: var(--color-white);
    border: 1px solid var(--color-terracotta);
}

.btn-primary:hover {
    background: var(--color-terracotta-dark);
    border-color: var(--color-terracotta-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(194, 112, 78, 0.25);
}

.btn-ghost {
    background: transparent;
    color: var(--color-charcoal);
    border: 1px solid var(--color-line);
}

.btn-ghost:hover {
    border-color: var(--color-terracotta);
    color: var(--color-terracotta);
    transform: translateY(-1px);
}

.hero-scroll {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-warm-gray);
    font-size: var(--fs-xs);
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-terracotta), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.4; transform: scaleY(0.6); }
}

/* ---------- About ---------- */
.about {
    padding: var(--space-4xl) 0;
    background: var(--color-sand-light);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(2rem, 5vw, 4rem);
    align-items: center;
}

.about-text {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.about-text p {
    font-size: var(--fs-base);
    line-height: 1.8;
    color: var(--color-charcoal-light);
    font-weight: 300;
}

.about-image {
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 3/4;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.about-image:hover img {
    transform: scale(1.02);
}

/* ---------- Divider ---------- */
.divider {
    padding: 0 clamp(1.25rem, 4vw, 3rem);
    max-width: var(--container-max);
    margin: 0 auto;
}

.divider-line {
    width: 100%;
    height: 1px;
    background: var(--color-line);
}

/* ---------- Menu ---------- */
.menu {
    padding: var(--space-4xl) 0;
    background: var(--color-sand);
}

.menu-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(1.5rem, 3vw, 3rem);
    margin-bottom: var(--space-2xl);
}

.menu-category {
    padding: var(--space-xl);
    background: var(--color-sand-light);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-line);
}

.category-title {
    font-family: var(--font-serif);
    font-weight: 400;
    font-size: var(--fs-lg);
    color: var(--color-terracotta);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--color-line);
}

.menu-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.menu-item-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: var(--space-sm);
    margin-bottom: 0.25rem;
}

.item-name {
    font-size: var(--fs-base);
    font-weight: 400;
    color: var(--color-charcoal);
}

.item-detail {
    font-size: var(--fs-xs);
    color: var(--color-warm-gray);
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.item-desc {
    font-size: var(--fs-sm);
    color: var(--color-charcoal-light);
    line-height: 1.6;
    font-weight: 300;
}

.menu-note {
    text-align: center;
    font-size: var(--fs-sm);
    color: var(--color-warm-gray);
    font-style: italic;
    font-weight: 300;
}

/* ---------- Space ---------- */
.space {
    padding: var(--space-4xl) 0;
    background: var(--color-sand-light);
}

.space-gallery {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    grid-template-rows: auto auto;
    gap: var(--space-sm);
    margin-bottom: var(--space-2xl);
}

.gallery-item {
    border-radius: var(--radius-md);
    overflow: hidden;
}

.gallery-item--large {
    grid-row: 1 / 3;
    aspect-ratio: 3/4;
}

.gallery-item:not(.gallery-item--large) {
    aspect-ratio: 4/3;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery-item:hover img {
    transform: scale(1.03);
}

.space-details {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-line);
}

.space-detail {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.detail-label {
    font-size: var(--fs-xs);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-warm-gray);
}

.detail-value {
    font-family: var(--font-serif);
    font-size: var(--fs-md);
    color: var(--color-charcoal);
}

/* ---------- Visit ---------- */
.visit {
    padding: var(--space-4xl) 0;
    background: var(--color-sand);
}

.visit-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(2rem, 4vw, 4rem);
    align-items: start;
}

.visit-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.visit-block h3 {
    font-size: var(--fs-xs);
    font-weight: 400;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-terracotta);
    margin-bottom: 0.5rem;
}

.visit-block p {
    font-size: var(--fs-base);
    line-height: 1.7;
    color: var(--color-charcoal-light);
    font-weight: 300;
}

.hours-range {
    font-family: var(--font-serif);
    font-size: var(--fs-md);
    color: var(--color-charcoal);
}

.visit-block a {
    color: var(--color-terracotta);
    transition: color var(--transition);
}

.visit-block a:hover {
    color: var(--color-terracotta-dark);
    text-decoration: underline;
}

.visit-map {
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 4/3;
    border: 1px solid var(--color-line);
}

.visit-map iframe {
    width: 100%;
    height: 100%;
}

/* ---------- Footer ---------- */
.footer {
    padding: var(--space-3xl) 0 var(--space-xl);
    background: var(--color-charcoal);
    color: var(--color-sand);
}

.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
    text-align: center;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.footer-brand .logo-mark {
    color: var(--color-terracotta);
    font-size: 1.5rem;
    font-family: var(--font-serif);
}

.footer-brand .logo-text {
    color: var(--color-sand);
    font-size: var(--fs-md);
    letter-spacing: 0.04em;
}

.footer-links {
    display: flex;
    gap: var(--space-xl);
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    font-size: var(--fs-sm);
    color: var(--color-warm-gray);
    letter-spacing: 0.04em;
    transition: color var(--transition);
}

.footer-links a:hover {
    color: var(--color-terracotta);
}

.footer-copy {
    font-size: var(--fs-xs);
    color: var(--color-warm-gray);
    line-height: 1.8;
    font-weight: 300;
}

.footer-copy a {
    color: var(--color-terracotta);
    transition: color var(--transition);
}

.footer-copy a:hover {
    color: var(--color-terracotta-dark);
}

/* ---------- Animations ---------- */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .menu-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: 0;
        width: min(320px, 85vw);
        height: 100vh;
        height: 100dvh;
        background: var(--color-sand-light);
        border-left: 1px solid var(--color-line);
        padding: calc(72px + var(--space-xl)) var(--space-xl) var(--space-xl);
        transform: translateX(100%);
        transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 999;
    }

    .main-nav.open {
        transform: translateX(0);
    }

    .main-nav ul {
        flex-direction: column;
        gap: var(--space-md);
    }

    .main-nav a {
        font-size: var(--fs-lg);
        display: block;
        padding: var(--space-sm) 0;
    }

    .nav-overlay {
        position: fixed;
        inset: 0;
        background: rgba(42, 37, 34, 0.4);
        backdrop-filter: blur(4px);
        -webkit-backdrop-filter: blur(4px);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        z-index: 998;
    }

    .nav-overlay.active {
        opacity: 1;
        visibility: visible;
    }

    .about-grid {
        grid-template-columns: 1fr;
    }

    .about-image {
        aspect-ratio: 4/3;
        order: -1;
    }

    .menu-grid {
        grid-template-columns: 1fr;
    }

    .space-gallery {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
    }

    .gallery-item--large {
        grid-row: auto;
        aspect-ratio: 4/3;
    }

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

    .visit-grid {
        grid-template-columns: 1fr;
    }

    .visit-map {
        aspect-ratio: 16/9;
    }

    .hero-headline {
        font-size: var(--fs-2xl);
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .space-details {
        grid-template-columns: 1fr;
    }

    .footer-links {
        flex-direction: column;
        gap: var(--space-sm);
    }
}