/* ==========================================================================
   Di Mauro — Scrittore | Layout
   Container, griglia, sezioni, bottoni, utility
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Container
   -------------------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--grid-max-width);
    margin-inline: auto;
    padding-inline: var(--grid-gutter);
}

.container--narrow {
    max-width: 800px;
}

.container--wide {
    max-width: 1440px;
}


/* --------------------------------------------------------------------------
   2. Griglia
   -------------------------------------------------------------------------- */
.grid {
    display: grid;
    gap: var(--grid-gutter);
}

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

/* Modificatori allineamento */
.grid--align-center { align-items: center; }
.grid--align-start  { align-items: start; }
.grid--gap-lg       { gap: 3rem; }
.grid--gap-xl       { gap: 4rem; }

/* Responsive griglia — 6 breakpoint */
@media (max-width: 1535px) {
    .grid--4 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 1023px) {
    .grid--4 { grid-template-columns: repeat(2, 1fr); }
    .grid--3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 767px) {
    .grid--4,
    .grid--3,
    .grid--2 {
        grid-template-columns: 1fr;
    }
    .container { padding-inline: 16px; }
}

@media (max-width: 639px) {
    :root {
        --section-py: clamp(2.5rem, 5vw, 5rem);
        --grid-gutter: 16px;
    }
}

@media (max-width: 479px) {
    :root {
        --section-py: clamp(2rem, 4vw, 3.5rem);
        --card-padding: clamp(1rem, 3vw, 1.5rem);
    }
}


/* --------------------------------------------------------------------------
   3. Sezioni
   -------------------------------------------------------------------------- */
.section {
    padding-block: var(--section-py);
}

.section--sm {
    padding-block: var(--section-py-sm);
}

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

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

.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4,
.section--dark .h1,
.section--dark .h2,
.section--dark .h3,
.section--dark .h4 {
    color: #fff;
}

/* Divider decorativo con clip-path */
.section--divider-top {
    position: relative;
}

.section--divider-top::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 0;
    width: 100%;
    height: 60px;
    background: var(--color-bg);
    clip-path: ellipse(55% 100% at 50% 0%);
    z-index: 1;
}

/* Section heading con linea decorativa Oro Antico */
.section-heading {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-heading::after {
    content: '';
    display: block;
    width: 60px;
    height: 2px;
    background-color: var(--color-accent);
    margin: var(--space-md) auto 0;
}


/* --------------------------------------------------------------------------
   4. Bottoni
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--btn-padding-y) var(--btn-padding-x);
    font-family: var(--font-body);
    font-size: var(--fs-btn);
    font-weight: var(--fw-semi);
    line-height: 1;
    border-radius: var(--btn-radius);
    text-decoration: none;
    transition:
        background-color var(--transition-fast),
        color var(--transition-fast),
        transform var(--transition-fast),
        box-shadow var(--transition-fast);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn:active {
    transform: translateY(0);
}

/* Primary — gradient fill on hover */
.btn--primary {
    position: relative;
    overflow: hidden;
    z-index: 1;
    background-color: var(--color-primary);
    color: #fff;
}

.btn--primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: -1;
    border-radius: inherit;
}

.btn--primary:hover {
    color: #fff;
}

.btn--primary:hover::before {
    opacity: 1;
}

/* Secondary */
.btn--secondary {
    background-color: var(--color-secondary);
    color: #fff;
}

.btn--secondary:hover {
    background-color: var(--color-secondary-dark);
    color: #fff;
}

/* Outline */
.btn--outline {
    background-color: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn--outline:hover {
    background-color: var(--color-primary);
    color: #fff;
}

/* Testo — underline animata */
.btn--text {
    background: none;
    padding: var(--space-xs) 0;
    color: var(--color-primary);
    position: relative;
}

.btn--text::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}

.btn--text:hover {
    box-shadow: none;
    transform: none;
}

.btn--text:hover::after {
    width: 100%;
}

/* Magnetic hover — JS applica transform */
.magnetic {
    transition: transform var(--transition-spring);
}


/* --------------------------------------------------------------------------
   5. Utility — Allineamento testo
   -------------------------------------------------------------------------- */
.text-center  { text-align: center; }
.text-left    { text-align: left; }
.text-right   { text-align: right; }

/* Colori testo */
.text-primary   { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-accent    { color: var(--color-accent); }
.text-light     { color: var(--color-text-light); }

/* Sfondi */
.bg-primary   { background-color: var(--color-primary); }
.bg-secondary { background-color: var(--color-secondary); }
.bg-surface   { background-color: var(--color-surface); }
.bg-white     { background-color: #fff; }


/* --------------------------------------------------------------------------
   6. Utility — Spaziatura
   -------------------------------------------------------------------------- */

/* Margin-top */
.mt-sm  { margin-top: var(--space-sm); }
.mt-md  { margin-top: var(--space-md); }
.mt-lg  { margin-top: var(--space-lg); }
.mt-xl  { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }

/* Margin-bottom */
.mb-sm  { margin-bottom: var(--space-sm); }
.mb-md  { margin-bottom: var(--space-md); }
.mb-lg  { margin-bottom: var(--space-lg); }
.mb-xl  { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }


/* --------------------------------------------------------------------------
   7. Utility — Effetti speciali
   -------------------------------------------------------------------------- */

/* Testo con gradient */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Glassmorphism */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
}


/* --------------------------------------------------------------------------
   8. Stelle valutazione
   -------------------------------------------------------------------------- */
.stelle-voto {
    display: inline-flex;
    gap: 2px;
}

.stella {
    font-size: 1.25rem;
    line-height: 1;
}

.stella--piena {
    color: var(--color-accent);
}

.stella--mezza {
    color: var(--color-accent);
    opacity: 0.6;
}

.stella--vuota {
    color: #ccc;
}