* { margin: 0; padding: 0; box-sizing: border-box; }
:root { --coral: #ff6b6b; --mint: #4ecdc4; --dark: #1a1a2e; --card: #16213e; }
body { font-family: 'Poppins', 'Segoe UI', sans-serif; background: linear-gradient(135deg, #1a1a2e, #16213e); min-height: 100vh; color: #eee; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
header { background: rgba(22,33,62,0.95); backdrop-filter: blur(15px); padding: 22px 0; position: sticky; top: 0; z-index: 100; border-bottom: 2px solid var(--coral); }
.logo { font-size: 30px; font-weight: 800; color: #fff; text-decoration: none; }
.logo span { color: var(--coral); }
nav a { color: #aaa; text-decoration: none; margin-left: 25px; font-weight: 600; transition: color 0.3s; }
nav a:hover { color: var(--mint); }
.hero { background: linear-gradient(135deg, var(--coral), #ee5a24); padding: 90px 0; text-align: center; }
.hero h1 { font-size: 52px; color: #fff; margin-bottom: 10px; }
.hero p { font-size: 20px; color: rgba(255,255,255,0.9); }
main { padding: 50px 0; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 24px; }
.card { background: var(--card); border-radius: 18px; padding: 28px; text-align: center; transition: all 0.4s; border: 1px solid transparent; }
.card:hover { transform: translateY(-8px); border-color: var(--mint); box-shadow: 0 15px 40px rgba(78,205,196,0.2); }
.card .icon { font-size: 54px; margin-bottom: 15px; }
.card h3 { color: #fff; font-size: 17px; margin-bottom: 8px; }
.card p { color: #888; font-size: 13px; margin-bottom: 15px; }
.card a { display: inline-block; padding: 11px 26px; background: linear-gradient(135deg, var(--coral), #ff8e53); color: #fff; text-decoration: none; border-radius: 25px; font-weight: 700; font-size: 14px; }
.card a:hover { box-shadow: 0 8px 25px rgba(255,107,107,0.4); }
footer { background: #0f172a; padding: 35px 0; text-align: center; border-top: 1px solid #333; }
.tool-page { background: var(--card); border-radius: 22px; padding: 40px; margin: 35px auto; max-width: 880px; }
.tool-page h1 { color: #fff; font-size: 30px; text-align: center; margin-bottom: 8px; }
.tool-page .desc { color: #888; text-align: center; margin-bottom: 25px; }
.tool-area { background: #0f172a; padding: 30px; border-radius: 14px; margin: 22px 0; }
.tool-area input { padding: 14px 18px; font-size: 15px; background: #1e293b; border: 2px solid #334155; border-radius: 10px; width: 200px; margin: 6px; color: #fff; }
.tool-area input:focus { border-color: var(--coral); outline: none; }
.tool-area select { padding: 14px 18px; font-size: 15px; background: #1e293b; border: 2px solid #334155; border-radius: 10px; width: 200px; margin: 6px; color: #fff; }
.tool-area button { padding: 14px 28px; background: linear-gradient(135deg, var(--coral), #ff8e53); color: #fff; border: none; border-radius: 25px; font-weight: 700; cursor: pointer; margin: 6px; }
.tool-area button:hover { box-shadow: 0 8px 25px rgba(255,107,107,0.4); }
.result-box { background: linear-gradient(135deg, rgba(255,107,107,0.2), rgba(78,205,196,0.2)); border: 1px solid var(--coral); padding: 25px; border-radius: 12px; margin: 22px 0; font-size: 18px; font-weight: 600; color: #fff; text-align: center; }
.rules { background: rgba(78,205,196,0.1); padding: 22px; border-radius: 12px; margin-top: 22px; border-left: 4px solid var(--mint); }
.rules h3 { color: var(--mint); margin-bottom: 12px; }
.rules li { color: #aaa; margin-bottom: 8px; margin-left: 18px; }
.back-link { color: var(--coral); text-decoration: none; font-weight: 700; }
a[href^="privacy"], a[href^="terms"] { color: #666; margin: 0 12px; }