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

:root {
    --wood: #5D4037;
    --wood-dark: #3E2723;
    --wood-light: #795548;
    --black: #1a1a1a;
    --charcoal: #212121;
    --terracotta: #BF360C;
    --terracotta-light: #E64A19;
    --cream: #FAF8F5;
    --warm-white: #FFF8F0;
    --green: #2E7D32;
    --gold: #C8A951;
    --gray-100: #f5f5f5;
    --gray-200: #e8e8e8;
    --gray-300: #d0d0d0;
    --gray-600: #666;
    --gray-800: #333;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 2px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
}

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
    font-family: 'Inter', -apple-system, sans-serif;
    color: var(--gray-800);
    background: var(--cream);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: 'Playfair Display', serif; line-height: 1.2; }
h2 { font-size: 2.2rem; margin-bottom: 0.5rem; }
h3 { font-size: 1.3rem; margin-bottom: 0.75rem; color: var(--wood-dark); }

p { margin-bottom: 0.75rem; }
a { color: var(--terracotta); text-decoration: none; }
a:hover { color: var(--terracotta-light); }

ul, ol { padding-left: 1.2rem; }
li { margin-bottom: 0.4rem; }

strong { font-weight: 600; }
blockquote {
    border-left: 4px solid var(--terracotta);
    padding: 1rem 1.5rem;
    font-style: italic;
    font-size: 1.15rem;
    background: rgba(191,54,12,0.05);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }

/* ===== HERO ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, var(--wood-dark) 0%, var(--charcoal) 50%, var(--wood) 100%);
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(191,54,12,0.15) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(200,169,81,0.1) 0%, transparent 50%);
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-content { position: relative; z-index: 1; padding: 2rem; }
.hero-badge {
    display: inline-block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    letter-spacing: 3px;
    color: var(--gold);
    border: 1px solid rgba(200,169,81,0.4);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    margin-bottom: 2rem;
}
.hero-title {
    font-size: clamp(3.5rem, 10vw, 7rem);
    font-weight: 900;
    color: #fff;
    letter-spacing: 6px;
    margin-bottom: 0.25rem;
    text-shadow: 0 4px 30px rgba(0,0,0,0.3);
}
.hero-subtitle {
    font-family: 'JetBrains Mono', monospace;
    font-size: clamp(0.9rem, 2.5vw, 1.3rem);
    letter-spacing: 8px;
    color: var(--terracotta-light);
    margin-bottom: 1.5rem;
}
.hero-desc {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: 2.5rem;
}
.hero-cta {
    display: inline-block;
    background: var(--terracotta);
    color: #fff;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    letter-spacing: 1px;
    transition: all 0.3s;
}
.hero-cta:hover { background: var(--terracotta-light); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 25px rgba(191,54,12,0.3); }

/* ===== NAV ===== */
.main-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255,248,240,0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    transition: box-shadow 0.3s;
}
.main-nav.scrolled { box-shadow: var(--shadow); }
.nav-inner { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; display: flex; align-items: center; justify-content: space-between; height: 60px; }
.nav-logo { font-family: 'Playfair Display', serif; font-weight: 900; font-size: 1.2rem; color: var(--wood-dark); letter-spacing: 2px; }
.nav-links { list-style: none; display: flex; gap: 0.25rem; padding: 0; }
.nav-links a { padding: 0.4rem 0.75rem; font-size: 0.85rem; font-weight: 500; color: var(--gray-600); border-radius: 6px; transition: all 0.2s; }
.nav-links a:hover, .nav-links a.active { color: var(--terracotta); background: rgba(191,54,12,0.08); }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--gray-800); margin: 5px 0; transition: 0.3s; }

@media (max-width: 768px) {
    .nav-toggle { display: block; }
    .nav-links { display: none; position: absolute; top: 60px; left: 0; right: 0; background: var(--warm-white); flex-direction: column; padding: 1rem; border-bottom: 1px solid var(--gray-200); box-shadow: var(--shadow); }
    .nav-links.open { display: flex; }
    .nav-links a { padding: 0.75rem 1rem; font-size: 1rem; }
}

/* ===== SECTIONS ===== */
.section { padding: 5rem 0; }
.section-alt { background: var(--warm-white); }
.section-header { margin-bottom: 2.5rem; }
.section-number {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    letter-spacing: 2px;
    color: var(--terracotta);
    display: block;
    margin-bottom: 0.5rem;
}

/* ===== CARDS ===== */
.card {
    background: #fff;
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    border: 1px solid rgba(0,0,0,0.04);
}
.card-dark {
    background: var(--charcoal);
    color: #fff;
    border: none;
}
.card-dark h3 { color: var(--gold); }
.card-dark p, .card-dark li { color: rgba(255,255,255,0.85); }

.card-accent {
    background: linear-gradient(135deg, var(--terracotta) 0%, #D84315 100%);
    color: #fff;
    border: none;
}
.card-accent h3 { color: #fff; }
.card-accent p, .card-accent li { color: rgba(255,255,255,0.9); }

.card-icon { font-size: 2.5rem; margin-bottom: 1rem; }

/* ===== GRIDS ===== */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-3-inline { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 1rem; }

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-3-inline { grid-template-columns: 1fr; }
}

/* ===== LISTS ===== */
.check-list { list-style: none; padding: 0; }
.check-list li { padding: 0.4rem 0 0.4rem 1.8rem; position: relative; }
.check-list li::before { content: '\2713'; position: absolute; left: 0; color: var(--green); font-weight: 700; font-size: 1.1rem; }
.card-dark .check-list li::before { color: #81C784; }

.warn-list { list-style: none; padding: 0; }
.warn-list li { padding: 0.4rem 0 0.4rem 1.8rem; position: relative; }
.warn-list li::before { content: '\26A0'; position: absolute; left: 0; font-size: 0.9rem; }

.check-list-interactive { list-style: none; padding: 0; }
.check-list-interactive li { padding: 0.5rem 0; border-bottom: 1px solid var(--gray-100); }
.check-list-interactive label { display: flex; align-items: center; gap: 0.75rem; cursor: pointer; font-size: 0.95rem; }
.check-list-interactive input[type="checkbox"] {
    width: 20px; height: 20px; accent-color: var(--terracotta);
    cursor: pointer; flex-shrink: 0;
}
.check-list-interactive input:checked + span,
.check-list-interactive input:checked ~ * { opacity: 0.5; text-decoration: line-through; }

/* ===== TABLES ===== */
.table-wrap { overflow-x: auto; margin-top: 1rem; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th { background: var(--wood-dark); color: #fff; padding: 0.75rem 1rem; text-align: left; font-weight: 500; }
td { padding: 0.65rem 1rem; border-bottom: 1px solid var(--gray-200); }
tr:hover td { background: rgba(93,64,55,0.04); }
.total-row td { background: var(--gray-100); font-weight: 600; border-top: 2px solid var(--wood); }
.empty-row { text-align: center; color: var(--gray-600); font-style: italic; padding: 2rem; }

/* ===== MINI CARDS ===== */
.mini-card {
    background: var(--gray-100);
    border-radius: var(--radius-sm);
    padding: 1.25rem;
    text-align: center;
}
.card-dark .mini-card { background: rgba(255,255,255,0.08); }
.card-dark .mini-card strong { color: var(--gold); }
.big-number { font-family: 'Playfair Display', serif; font-size: 1.8rem; font-weight: 700; color: var(--wood-dark); margin: 0.5rem 0; }
.card-dark .big-number { color: #fff; }

.scenario-bad { border-left: 4px solid #e53935; }
.scenario-mid { border-left: 4px solid #FB8C00; }
.scenario-good { border-left: 4px solid var(--green); }

/* ===== PALETTE ===== */
.palette { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-top: 1rem; }
.color-swatch {
    width: 50px; height: 50px;
    border-radius: 50%;
    border: 3px solid #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    cursor: help;
}

/* ===== TAGS ===== */
.tag {
    display: inline-block;
    background: var(--terracotta);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.3rem 0.8rem;
    border-radius: 50px;
    margin-top: 0.75rem;
}

/* ===== INFO GRID ===== */
.info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; margin-top: 1.25rem; }
.info-item { background: var(--gray-100); padding: 0.75rem 1rem; border-radius: var(--radius-sm); }
.info-label { display: block; font-size: 0.75rem; color: var(--gray-600); text-transform: uppercase; letter-spacing: 1px; }
.info-value { font-weight: 600; color: var(--wood-dark); }

/* ===== PROGRESS BAR ===== */
.progress-bar-wrap {
    background: var(--gray-200);
    border-radius: 50px;
    height: 12px;
    margin-bottom: 2.5rem;
    position: relative;
    overflow: hidden;
}
.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--terracotta), var(--green));
    border-radius: 50px;
    width: 0%;
    transition: width 0.5s ease;
}
.progress-text {
    position: absolute;
    right: 0;
    top: -1.8rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-600);
}

/* ===== ACCORDION ===== */
.accordion { display: flex; flex-direction: column; gap: 0.5rem; }
.accordion-btn {
    width: 100%;
    text-align: left;
    background: #fff;
    border: 1px solid var(--gray-200);
    padding: 1rem 1.5rem;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    color: var(--wood-dark);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
    padding-right: 3rem;
}
.accordion-btn::after { content: '+'; position: absolute; right: 1.5rem; font-size: 1.3rem; color: var(--terracotta); }
.accordion-btn.active::after { content: '\2212'; }
.accordion-btn:hover { background: var(--gray-100); }
.accordion-btn.active { background: var(--terracotta); color: #fff; border-color: var(--terracotta); }
.accordion-btn.active::after { color: #fff; }
.accordion-content { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.3s; padding: 0 1.5rem; background: #fff; border-radius: 0 0 var(--radius-sm) var(--radius-sm); }
.accordion-content.open { max-height: 600px; padding: 1.5rem; border: 1px solid var(--gray-200); border-top: none; }

/* ===== TIMELINE ===== */
.timeline { position: relative; padding-left: 3.5rem; }
.timeline::before { content: ''; position: absolute; left: 1.25rem; top: 0; bottom: 0; width: 3px; background: linear-gradient(180deg, var(--terracotta), var(--green)); border-radius: 3px; }
.timeline-item { position: relative; margin-bottom: 2.5rem; }
.timeline-marker {
    position: absolute;
    left: -3.5rem;
    top: 0;
    width: 2.5rem;
    height: 2.5rem;
    background: var(--terracotta);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    box-shadow: 0 0 0 4px var(--cream);
}
.section-alt .timeline-marker { box-shadow: 0 0 0 4px var(--warm-white); }
.timeline-content { background: #fff; border-radius: var(--radius-sm); padding: 1.5rem; box-shadow: var(--shadow); }
.timeline-content h3 { font-size: 1.1rem; margin-bottom: 0.75rem; }

/* ===== FOOTER ===== */
.footer {
    background: var(--charcoal);
    color: rgba(255,255,255,0.7);
    padding: 3rem 0;
}
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.footer strong { color: var(--gold); }
.footer-note { font-size: 0.8rem; opacity: 0.5; }

/* ===== UTILITY ===== */
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 1.5rem; }
.mt-3 { margin-top: 2.5rem; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--gray-100); }
::-webkit-scrollbar-thumb { background: var(--wood-light); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--wood); }

/* ===== SELECTION ===== */
::selection { background: var(--terracotta); color: #fff; }

/* ===== ADD ROW / ADD ITEM BUTTONS ===== */
.add-row-btn, .add-check-btn, .add-comment-btn {
    display: inline-block;
    margin-top: 0.75rem;
    margin-right: 0.5rem;
    padding: 0.5rem 1.2rem;
    border: 2px dashed var(--terracotta);
    background: transparent;
    color: var(--terracotta);
    border-radius: 50px;
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}
.add-row-btn:hover, .add-check-btn:hover, .add-comment-btn:hover {
    background: var(--terracotta);
    color: #fff;
}
.add-comment-btn { border-color: var(--wood); color: var(--wood); }
.add-comment-btn:hover { background: var(--wood); color: #fff; }

.checklist-actions { margin-top: 0.75rem; display: flex; gap: 0.5rem; flex-wrap: wrap; }
.checklist-comments { margin-top: 0.5rem; }
.checklist-comment {
    background: rgba(0,0,0,0.03);
    border-left: 3px solid var(--gold);
    padding: 0.5rem 0.75rem;
    margin-top: 0.5rem;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-size: 0.85rem;
}
.note-cell { font-size: 0.8rem; color: var(--gray-600); font-style: italic; }
.link-cell { font-size: 0.8rem; color: var(--terracotta); word-break: break-all; min-width: 120px; }
.mb-2 { margin-bottom: 1.5rem; color: var(--gray-600); }

/* ===== HERO UPLOAD ===== */
.hero-upload-btn {
    display: inline-block;
    margin-top: 1.5rem;
    padding: 0.6rem 1.5rem;
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.3);
    color: #fff;
    border-radius: 50px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s;
    backdrop-filter: blur(5px);
}
.hero-upload-btn:hover { background: rgba(255,255,255,0.3); }

/* ===== AI CONCEPT ===== */
.ai-concept-section { padding: 2rem 0 0; }
.ai-concept-section .card { border-left: 4px solid var(--gold); }

/* ===== 10 DOMANDE ESPANDIBILI ===== */
.domande-10 { display: flex; flex-direction: column; gap: 0; }
.domanda-item { border-bottom: 1px solid rgba(255,255,255,0.15); }
.domanda-item:last-child { border-bottom: none; }
.domanda-btn {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 1rem 0.5rem;
    background: none;
    border: none;
    color: #fff;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
    padding-right: 2rem;
}
.domanda-btn::after {
    content: '+';
    position: absolute;
    right: 0.5rem;
    font-size: 1.4rem;
    font-weight: 300;
    transition: transform 0.3s;
}
.domanda-btn.open::after { content: '−'; }
.domanda-btn:hover { opacity: 0.85; }
.domanda-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
    padding: 0 0.5rem;
}
.domanda-answer.open {
    max-height: 500px;
    padding: 0 0.5rem 1rem;
}
.domanda-text {
    width: 100%;
    min-height: 60px;
    padding: 0.75rem;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius-sm);
    color: #fff;
    font-size: 0.9rem;
    line-height: 1.5;
    outline: none;
}
.domanda-text:focus {
    background: rgba(255,255,255,0.18);
    border-color: var(--gold);
}
.domanda-text:empty::before {
    content: attr(placeholder);
    color: rgba(255,255,255,0.4);
    font-style: italic;
}

/* ===== EXPORT BUTTONS ===== */
.export-buttons { display: flex; gap: 1rem; margin-top: 1.5rem; flex-wrap: wrap; }
.export-btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    background: #fff;
    color: var(--terracotta);
}
.export-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(0,0,0,0.2); }
.export-btn-alt { background: rgba(255,255,255,0.2); color: #fff; border: 2px solid rgba(255,255,255,0.5); }
.export-btn-alt:hover { background: rgba(255,255,255,0.3); }
.export-stats { font-size: 0.9rem; opacity: 0.8; }

/* ===== HERO IMAGE ===== */
.hero-image-section {
    text-align: center;
    padding: 2rem 0 0;
}
.hero-image-section img {
    max-width: 100%;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
}

/* ===== MOBILE / IPHONE ===== */
@media (max-width: 480px) {
    .hero-title { letter-spacing: 3px; }
    .hero-subtitle { letter-spacing: 4px; font-size: 0.85rem; }
    .hero-badge { font-size: 0.7rem; padding: 0.4rem 1rem; }
    .section { padding: 3rem 0; }
    .container { padding: 0 1rem; }
    h2 { font-size: 1.6rem; }
    .card { padding: 1.25rem; }
    .info-grid { grid-template-columns: 1fr; }
    table { font-size: 0.8rem; }
    th, td { padding: 0.5rem 0.6rem; }
    td[contenteditable="true"]:empty::before { content: '...'; }
    [contenteditable="true"]:empty::before { content: 'tocca per scrivere'; font-size: 0.8em; }
    .big-number { font-size: 1.4rem; }
    .timeline { padding-left: 2.5rem; }
    .timeline-marker { left: -2.5rem; width: 2rem; height: 2rem; font-size: 0.55rem; }
    .check-list-interactive label { font-size: 0.9rem; gap: 0.5rem; }
    .check-list-interactive input[type="checkbox"] { width: 24px; height: 24px; }
    .accordion-btn { padding: 0.85rem 1rem; padding-right: 2.5rem; font-size: 0.9rem; }
    .footer-inner { flex-direction: column; text-align: center; }
}

/* Touch-friendly for mobile */
@media (hover: none) {
    [contenteditable="true"] { border-bottom-width: 2px; min-height: 2em; padding: 4px 8px; }
    .check-list-interactive li { padding: 0.75rem 0; }
    .check-list-interactive input[type="checkbox"] { width: 24px; height: 24px; }
    .accordion-btn { padding: 1rem 1.25rem; }
}

/* ===== EDITABLE FIELDS ===== */
[contenteditable="true"] {
    min-height: 1.4em;
    min-width: 60px;
    border-bottom: 2px dashed var(--terracotta);
    padding: 2px 6px;
    border-radius: 3px;
    transition: all 0.2s;
    cursor: text;
}
[contenteditable="true"]:empty::before {
    content: 'clicca per compilare';
    color: var(--gray-300);
    font-style: italic;
    font-size: 0.85em;
}
[contenteditable="true"]:focus {
    outline: none;
    background: rgba(191,54,12,0.06);
    border-bottom-color: var(--terracotta-light);
    border-bottom-style: solid;
}
[contenteditable="true"]:hover {
    background: rgba(191,54,12,0.03);
}
td[contenteditable="true"] {
    min-width: 80px;
}
td[contenteditable="true"]:empty::before {
    content: '€ ...';
}

/* ===== SAVE INDICATOR ===== */
.save-indicator {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    background: var(--green);
    color: #fff;
    padding: 0.6rem 1.2rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s;
    z-index: 999;
    pointer-events: none;
}
.save-indicator.show {
    opacity: 1;
    transform: translateY(0);
}