/* 
   GLICOLE.COM - FOGLIO DI STILE PREMIUM
   Design basato su Glicerina.it con colore principale #6FC1C0 e scuro #104F4E
*/

:root {
    --primary: #6FC1C0;
    --primary-dark: #4d8f8e;
    --secondary: #059669;
    --dark: #104F4E;
    --white: #ffffff;
    --slate-50: #f0fdfa;
    --slate-100: #e2f2f1;
    --slate-600: #475569;
    --slate-900: #104F4E;
    --text: #1f2937;
    --shadow-sm: 0 10px 30px rgba(111, 193, 192, 0.08);
    --shadow-lg: 0 20px 45px rgba(16, 79, 78, 0.1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: linear-gradient(180deg, var(--slate-50) 0%, #ffffff 35%, var(--slate-50) 100%);
    color: var(--text);
    line-height: 1.6;
}

h1, h2, h3 { font-family: 'Inter', sans-serif; font-weight: 800; color: var(--dark); letter-spacing: -0.02em; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 2rem; }

/* Header */
.glass-nav {
    position: fixed;
    top: 0; width: 100%;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(14px);
    z-index: 1000;
    border-bottom: 1px solid rgba(111, 193, 192, 0.2);
    padding: 1rem 0;
}

.nav-flex { display: flex; justify-content: space-between; align-items: center; }
.nav-links { display: none; }
@media (min-width: 1024px) { .nav-links { display: flex; gap: 2.5rem; } }
.nav-links a { text-decoration: none; color: var(--dark); font-weight: 600; font-size: 0.95rem; }

/* Hero */
.hero {
    padding: 12rem 0 6rem;
    background: radial-gradient(circle at top right, rgba(111, 193, 192, 0.2), transparent 40%),
                linear-gradient(135deg, #0a3332 0%, #104F4E 45%, var(--primary) 100%);
    color: white;
    overflow: hidden;
    position: relative;
}

.hero-grid { display: grid; grid-template-columns: 1fr; gap: 4rem; align-items: center; }
@media (min-width: 1024px) { .hero-grid { grid-template-columns: 1.2fr 0.8fr; } }

.hero h1 { color: white; font-size: 3.5rem; line-height: 1.1; margin-bottom: 1.5rem; }
.hero h1 span { color: #a5f3f2; }
.hero p { font-size: 1.2rem; color: #ecfdf5; margin-bottom: 2.5rem; max-width: 600px; }

.btn-primary {
    background: linear-gradient(135deg, #0a3332, #104F4E);
    color: white; padding: 1rem 2rem; border-radius: 0.75rem;
    text-decoration: none; font-weight: 700; display: inline-flex; align-items: center;
    transition: all 0.3s; border: none; cursor: pointer;
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(16, 79, 78, 0.3); }

/* Glass Card Hero */
.glass-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 2rem; padding: 2.5rem;
}

/* Applications Grid */
.section { padding: 6rem 0; }
.section-title { text-align: center; margin-bottom: 4rem; }
.section-title h2 { font-size: 2.5rem; color: var(--dark); }

.apps-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    justify-content: center;
}

.app-card {
    background: white;
    border: 1px solid #d1fae5;
    border-radius: 1.5rem;
    padding: 2.5rem;
    flex: 1 1 280px;
    max-width: 350px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.app-card:hover { transform: translateY(-5px); border-color: var(--primary); box-shadow: var(--shadow-lg); }
.app-card i { font-size: 2rem; color: var(--primary); margin-bottom: 1.5rem; display: block; }
.app-card h3 { font-size: 1.5rem; margin-bottom: 1rem; }
.app-card p { color: var(--slate-600); font-size: 0.95rem; margin-bottom: 1.5rem; }

/* Features Section */
.features-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}
@media (min-width: 1024px) { .features-container { grid-template-columns: 1fr 1fr; } }

.feat-item {
    background: white; border-radius: 1rem; padding: 2rem;
    margin-bottom: 1.5rem; border: 1px solid #d1fae5;
    display: flex; gap: 1.5rem; align-items: flex-start;
}

.feat-icon {
    width: 3rem; height: 3rem; border-radius: 50%;
    background: var(--slate-50); color: var(--primary);
    display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}

/* Accordion FAQ */
.faq-grid { max-width: 850px; margin: 0 auto; }
.faq-item {
    background: white; border: 1px solid #d1fae5;
    border-radius: 1rem; margin-bottom: 1rem; overflow: hidden;
    transition: all 0.3s ease;
}
.faq-header {
    width: 100%; padding: 1.5rem 2rem; text-align: left;
    background: none; border: none; cursor: pointer;
    display: flex; justify-content: space-between; align-items: center;
    font-weight: 700; font-size: 1.1rem; color: var(--dark);
}
.faq-icon { transition: transform 0.3s ease; color: var(--primary); }
.faq-body {
    max-height: 0; overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease;
    padding: 0 2rem; color: var(--slate-600);
}
.faq-item.active { border-color: var(--primary); box-shadow: var(--shadow-sm); }
.faq-item.active .faq-icon { transform: rotate(180deg); }
.faq-item.active .faq-body { max-height: 300px; padding-bottom: 1.5rem; }

/* Contact Form */
.contact-flex {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    background: white;
    border-radius: 2rem;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}
@media (min-width: 1024px) { .contact-flex { grid-template-columns: 0.8fr 1.2fr; } }

.contact-info { background: var(--dark); color: white; padding: 4rem; }
.contact-form { padding: 4rem; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-bottom: 1.5rem; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }

.form-group label { display: block; font-weight: 700; font-size: 0.85rem; margin-bottom: 0.5rem; color: #374151; }
.form-input {
    width: 100%; padding: 0.8rem 1rem; border-radius: 0.75rem;
    border: 1px solid #d1d5db; background: #f9fafb; outline: none;
    font-family: inherit;
}
.form-input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(111, 193, 192, 0.2); }

/* Footer */
footer { background: #0a3332; color: #9ca3af; padding: 5rem 0 2rem; }
footer h4 { color: white; margin-bottom: 1.5rem; }
footer a { color: #9ca3af; text-decoration: none; transition: color 0.3s; }
footer a:hover { color: var(--primary); }