/* ═══════════════════════════════════
SOLARDOSE — style.css
═══════════════════════════════════ */

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

:root {
--sun-gold: #F5A623;
--amber: #E07B2A;
--warm-cream: #FDF6EC;
--soft-sand: #F0E6D3;
--sky-blue: #7BB8D4;
--safe-green: #6BAF92;
--risk-red: #D4645A;
--ink: #2C2417;
--muted: #8C7B6B;
--border: #E8D9C4;
--font-display: 'Fraunces', Georgia, serif;
--font-body: 'DM Sans', system-ui, sans-serif;
--transition: 300ms ease;
--radius: 16px;
--shadow: 0 4px 24px rgba(44,36,23,0.08);
}

html { scroll-behavior: smooth; }

body {
font-family: var(--font-body);
background: var(--warm-cream);
color: var(--ink);
min-height: 100vh;
}

/* ── Navbar ── */
.navbar {
position: fixed;
top: 0; left: 0; right: 0;
z-index: 100;
display: flex;
align-items: center;
justify-content: space-between;
padding: 0 48px;
height: 64px;
background: rgba(253,246,236,0.85);
backdrop-filter: blur(12px);
border-bottom: 1px solid var(--border);
}

.nav-logo { text-decoration: none; display: flex; align-items: center; }

.nav-links { display: flex; gap: 32px; }

.nav-link {
text-decoration: none;
font-size: 0.9rem;
font-weight: 500;
color: var(--muted);
transition: color var(--transition);
position: relative;
padding-bottom: 2px;
}
.nav-link::after {
content: '';
position: absolute;
bottom: -2px; left: 0;
width: 0; height: 1.5px;
background: var(--sun-gold);
transition: width var(--transition);
}
.nav-link:hover, .nav-link.active { color: var(--ink); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.nav-lang {
display: flex;
align-items: center;
gap: 8px;
font-size: 0.8rem;
color: var(--border);
}
.lang-btn {
background: none;
border: none;
cursor: pointer;
font-family: var(--font-body);
font-size: 0.8rem;
font-weight: 600;
color: var(--muted);
letter-spacing: 1px;
padding: 4px;
transition: color var(--transition);
}
.lang-btn.active, .lang-btn:hover { color: var(--sun-gold); }

/* ── Hero ── */
.hero {
padding: 140px 48px 64px;
max-width: 1280px;
margin: 0 auto;
}
.hero-content { max-width: 640px; }

.status-badge {
display: inline-flex;
align-items: center;
gap: 8px;
background: var(--soft-sand);
border: 1px solid var(--border);
border-radius: 100px;
padding: 6px 16px;
font-size: 0.8rem;
font-weight: 500;
color: var(--muted);
margin-bottom: 24px;
transition: all var(--transition);
}
.status-badge.active {
background: #EAF7F2;
border-color: var(--safe-green);
color: var(--safe-green);
}
.status-badge.inactive {
background: #FDF0EF;
border-color: var(--risk-red);
color: var(--risk-red);
}

.status-dot {
width: 8px; height: 8px;
border-radius: 50%;
background: var(--muted);
transition: background var(--transition);
}
.status-badge.active .status-dot {
background: var(--safe-green);
animation: pulse 2s infinite;
}
.status-badge.inactive .status-dot { background: var(--risk-red); }

@keyframes pulse {
0%, 100% { opacity: 1; transform: scale(1); }
50% { opacity: 0.6; transform: scale(0.85); }
}

.hero-title {
font-family: var(--font-display);
font-size: clamp(2.5rem, 5vw, 4rem);
font-weight: 600;
line-height: 1.15;
letter-spacing: -1px;
color: var(--ink);
margin-bottom: 20px;
}

.hero-sub {
font-size: 1.05rem;
color: var(--muted);
line-height: 1.6;
}

/* ── Main Grid ── */
.main-grid {
display: grid;
grid-template-columns: 420px 1fr;
gap: 24px;
max-width: 1280px;
margin: 0 auto;
padding: 0 48px 48px;
align-items: start;
}

/* ── Card ── */
.card {
background: #fff;
border: 1px solid var(--border);
border-radius: var(--radius);
padding: 32px;
box-shadow: var(--shadow);
}

/* ── Input Panel ── */
.input-group { margin-bottom: 28px; }
.input-group:last-child { margin-bottom: 0; }

.input-label {
display: block;
font-size: 0.75rem;
font-weight: 600;
letter-spacing: 1.5px;
text-transform: uppercase;
color: var(--muted);
margin-bottom: 12px;
}

.btn-gps {
width: 100%;
display: flex;
align-items: center;
justify-content: center;
gap: 8px;
padding: 12px;
background: var(--soft-sand);
border: 1.5px solid var(--border);
border-radius: 10px;
font-family: var(--font-body);
font-size: 0.9rem;
font-weight: 500;
color: var(--ink);
cursor: pointer;
transition: all var(--transition);
}
.btn-gps:hover {
border-color: var(--sun-gold);
background: #FEF3E2;
}

.input-divider {
text-align: center;
color: var(--muted);
font-size: 0.8rem;
margin: 12px 0;
}

.search-wrap { display: flex; gap: 8px; }

.city-input {
flex: 1;
padding: 11px 16px;
border: 1.5px solid var(--border);
border-radius: 10px;
font-family: var(--font-body);
font-size: 0.9rem;
background: #fff;
color: var(--ink);
outline: none;
transition: border-color var(--transition);
}
.city-input:focus { border-color: var(--sun-gold); }

.btn-search {
padding: 11px 20px;
background: var(--sun-gold);
border: none;
border-radius: 10px;
font-family: var(--font-body);
font-size: 0.9rem;
font-weight: 600;
color: #fff;
cursor: pointer;
transition: background var(--transition);
}
.btn-search:hover { background: var(--amber); }

.location-result {
margin-top: 8px;
font-size: 0.82rem;
color: var(--safe-green);
min-height: 18px;
}

/* ── Skin Selector ── */
.skin-selector {
display: flex;
gap: 10px;
margin-bottom: 10px;
}

.skin-btn {
width: 40px; height: 40px;
border-radius: 50%;
border: 3px solid transparent;
cursor: pointer;
transition: all var(--transition);
outline: none;
}
.skin-btn:hover { transform: scale(1.1); }
.skin-btn.active {
border-color: var(--sun-gold);
transform: scale(1.15);
box-shadow: 0 0 0 2px rgba(245,166,35,0.3);
}

.skin-label {
font-size: 0.82rem;
color: var(--muted);
}

/* ── Date Input ── */
.date-input {
width: 100%;
padding: 11px 16px;
border: 1.5px solid var(--border);
border-radius: 10px;
font-family: var(--font-body);
font-size: 0.9rem;
background: #fff;
color: var(--ink);
outline: none;
transition: border-color var(--transition);
}
.date-input:focus { border-color: var(--sun-gold); }

/* ── Calculate Button ── */
.btn-calculate {
width: 100%;
padding: 16px;
background: var(--ink);
border: none;
border-radius: 12px;
font-family: var(--font-display);
font-size: 1.05rem;
font-weight: 600;
color: var(--warm-cream);
cursor: pointer;
transition: all var(--transition);
letter-spacing: 0.3px;
margin-top: 8px;
}
.btn-calculate:hover {
background: var(--sun-gold);
transform: translateY(-1px);
box-shadow: 0 8px 24px rgba(245,166,35,0.3);
}

/* ── Result Panel ── */
.result-panel {
min-height: 400px;
display: flex;
align-items: center;
justify-content: center;
}

.result-placeholder {
display: flex;
flex-direction: column;
align-items: center;
gap: 16px;
color: var(--muted);
font-size: 0.9rem;
}

.result-content {
width: 100%;
display: flex;
flex-direction: column;
gap: 16px;
}

.result-card { padding: 20px; }

.result-label {
font-size: 0.72rem;
font-weight: 600;
letter-spacing: 1.5px;
text-transform: uppercase;
color: var(--muted);
margin-bottom: 12px;
}

.result-window {
font-family: var(--font-display);
font-size: clamp(2rem, 4vw, 3rem);
font-weight: 700;
color: var(--sun-gold);
letter-spacing: -1px;
line-height: 1;
margin-bottom: 8px;
}

.result-duration {
font-size: 0.85rem;
color: var(--muted);
}

/* ── Dose Grid ── */
.dose-grid {
display: grid;
grid-template-columns: repeat(3, 1fr);
gap: 12px;
margin-bottom: 12px;
}

.dose-item {
display: flex;
flex-direction: column;
align-items: center;
gap: 6px;
padding: 16px 8px;
background: var(--soft-sand);
border-radius: 12px;
border: 1.5px solid transparent;
transition: all var(--transition);
}
.dose-item.highlight {
background: #FEF3E2;
border-color: var(--sun-gold);
}

.dose-iu {
font-size: 0.72rem;
font-weight: 600;
letter-spacing: 1px;
color: var(--muted);
}
.dose-min {
font-family: var(--font-display);
font-size: 1.4rem;
font-weight: 700;
color: var(--ink);
}
.dose-item.highlight .dose-min { color: var(--amber); }

.dose-note {
font-size: 0.75rem;
color: var(--muted);
font-style: italic;
}

/* ── Warning ── */
.warning-card {
display: flex;
align-items: flex-start;
gap: 12px;
padding: 16px 20px;
background: #FDF0EF;
border: 1px solid #F5C4C1;
border-radius: 12px;
font-size: 0.85rem;
color: var(--ink);
line-height: 1.5;
}
.warning-icon { font-size: 1.1rem; flex-shrink: 0; }

/* ── Now Grid Outer ── */
.now-grid-outer {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 12px;
}

.now-card,
.best-card {
display: flex;
flex-direction: column;
align-items: center;
text-align: center;
padding: 20px;
}

.now-card.now-active {
border: 1.5px solid var(--safe-green);
}

.now-card.now-inactive {
border-color: var(--border);
opacity: 0.55;
}

.now-card-number {
flex: 1;
display: flex;
flex-direction: column;
align-items: center;
justify-content: flex-end;
}

.now-big {
font-family: var(--font-display);
font-size: 4.5rem;
font-weight: 700;
color: var(--safe-green);
margin: 0;
line-height: 1;
}

.now-big-unit {
font-size: 1rem;
color: var(--safe-green);
margin: 0 0 20px;
}

.best-big {
font-family: var(--font-display);
font-size: 3rem;
font-weight: 700;
color: var(--ink);
margin: 0;
line-height: 1;
}

.best-big-unit {
font-size: 1rem;
color: var(--muted);
margin: 0 0 20px;
}

.best-time-label {
font-size: 1rem;
font-weight: 600;
color: var(--amber);
margin: 0 0 6px;
}

.card-footer {
width: 100%;
border-top: 1px solid var(--border);
padding-top: 12px;
display: flex;
flex-direction: column;
align-items: center;
gap: 5px;
}

.card-footer-pills {
display: flex;
gap: 8px;
justify-content: center;
}

.card-pill {
font-size: 11px;
font-weight: 600;
background: var(--soft-sand);
color: var(--muted);
padding: 3px 10px;
border-radius: 100px;
}

.card-footer-text {
font-size: 11px;
color: var(--muted);
}

.now-inactive-text {
font-size: 0.85rem;
color: var(--muted);
padding: 8px 0;
}

@media (max-width: 600px) {
.now-grid-outer {
  grid-template-columns: 1fr;
}
}

/* ── Chart ── */
.chart-section {
max-width: 1280px;
margin: 0 auto;
padding: 0 48px 48px;
}
.chart-card { padding: 32px; }
.chart-title {
font-family: var(--font-display);
font-size: 1.4rem;
font-weight: 600;
margin-bottom: 6px;
}
.chart-sub {
font-size: 0.85rem;
color: var(--muted);
margin-bottom: 24px;
}

/* ── Science Teaser ── */
.science-teaser {
text-align: center;
padding: 48px;
border-top: 1px solid var(--border);
}
.science-teaser p {
font-family: var(--font-display);
font-size: 1.2rem;
color: var(--muted);
margin-bottom: 16px;
}
.btn-science {
display: inline-block;
padding: 12px 28px;
background: var(--soft-sand);
border: 1.5px solid var(--border);
border-radius: 100px;
text-decoration: none;
font-weight: 600;
font-size: 0.9rem;
color: var(--ink);
transition: all var(--transition);
}
.btn-science:hover {
border-color: var(--sun-gold);
color: var(--amber);
background: #FEF3E2;
}

/* ── Footer ── */
.footer {
padding: 32px 48px;
border-top: 1px solid var(--border);
text-align: center;
display: flex;
flex-direction: column;
gap: 8px;
}
.footer-disclaimer {
font-size: 0.78rem;
color: var(--muted);
max-width: 600px;
margin: 0 auto;
line-height: 1.6;
}
.footer-copy {
font-size: 0.75rem;
color: var(--border);
}

/* ── Utilities ── */
.hidden { display: none !important; }

/* ── Animations ── */
@keyframes fadeUp {
from { opacity: 0; transform: translateY(12px); }
to { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 400ms ease forwards; }

/* ── Responsive ── */
@media (max-width: 900px) {
.navbar { padding: 0 20px; }
.nav-links { display: none; }
.hero { padding: 100px 20px 40px; }
.main-grid {
grid-template-columns: 1fr;
padding: 0 20px 40px;
}
.chart-section { padding: 0 20px 40px; }
.science-teaser { padding: 40px 20px; }
.footer { padding: 24px 20px; }
}

/* ── Hamburger ── */
.hamburger {
display: none;
flex-direction: column;
gap: 5px;
background: none;
border: none;
cursor: pointer;
padding: 4px;
z-index: 200;
}
.hamburger span {
display: block;
width: 24px;
height: 2px;
background: var(--ink);
border-radius: 2px;
transition: all 300ms ease;
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Mobile Menu ── */
.mobile-menu {
display: none;
position: fixed;
top: 64px; left: 0; right: 0; bottom: 0;
background: rgba(253,246,236,0.98);
backdrop-filter: blur(12px);
z-index: 99;
flex-direction: column;
align-items: center;
justify-content: center;
gap: 32px;
animation: fadeUp 300ms ease;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
font-family: var(--font-display);
font-size: 2rem;
font-weight: 600;
color: var(--ink);
text-decoration: none;
letter-spacing: -0.5px;
transition: color 200ms ease;
}
.mobile-menu a:hover, .mobile-menu a.active { color: var(--sun-gold); }
.mobile-menu-lang {
display: flex;
gap: 16px;
align-items: center;
margin-top: 16px;
}
.mobile-menu-lang button {
background: none;
border: none;
font-family: var(--font-body);
font-size: 1rem;
font-weight: 600;
letter-spacing: 2px;
color: var(--muted);
cursor: pointer;
padding: 8px;
transition: color 200ms ease;
}
.mobile-menu-lang button.active { color: var(--sun-gold); }
.mobile-menu-lang span { color: var(--border); }

@media (max-width: 900px) {
.nav-links { display: none; }
.nav-lang { display: none; }
.hamburger { display: flex; }
}