.sponsor-placeholder{background:linear-gradient(135deg,#B8860B 0%,#CA8A04 50%,#D4A017 100%);position:relative;width:100%;height:100%}.sponsor-placeholder::after{content:'';position:absolute;inset:0;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");background-size:200px 200px;opacity:0.08;pointer-events:none}.sponsor-hero{min-height:100vh;display:flex;align-items:center;justify-content:center;background:#0a0a0a;color:#ffffff;position:relative;overflow:hidden}.sponsor-hero[data-theme="dark"]{background:linear-gradient(135deg,#0a0a0a 0%,#1a1a1a 100%)}.sponsor-hero__inner{max-width:var(--max-width);width:100%;padding:0 var(--gutter);position:relative;z-index:2}.sponsor-hero__content{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-3xl);align-items:center;min-height:80vh}.sponsor-hero__title{font-family:var(--font);font-size:clamp(3.5rem,8vw,7rem);font-weight:var(--weight-regular);letter-spacing:-0.03em;line-height:var(--leading-none);margin:0 0 var(--space-lg);background:linear-gradient(135deg,#ffffff 0%,var(--accent) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.sponsor-hero__subtitle{font-family:var(--font);font-size:clamp(1.125rem,2vw,1.5rem);font-weight:var(--weight-light);line-height:1.6;color:rgba(255,255,255,0.85);max-width:500px}.sponsor-hero__image{width:100%;aspect-ratio:4 / 3;border-radius:0;overflow:hidden;box-shadow:0 25px 50px -12px rgba(0,0,0,0.5)}.sponsor-benefits{padding:var(--space-3xl) 0;background:var(--bg)}.sponsor-benefits__inner{max-width:var(--max-width);margin:0 auto;padding:0 var(--gutter)}.sponsor-benefits__title{font-family:var(--font);font-size:var(--hero-lg);font-weight:var(--weight-regular);letter-spacing:-0.02em;text-align:center;margin-bottom:var(--space-3xl);color:var(--text)}.sponsor-benefits__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-2xl);max-width:1000px;margin:0 auto}.sponsor-benefit{padding:var(--space-xl);background:var(--bg-card);border:1px solid var(--border);border-radius:0;position:relative}.sponsor-benefit__number{font-family:var(--font-mono);font-size:var(--text-lg);font-weight:var(--weight-bold);color:var(--accent);margin-bottom:var(--space-md);letter-spacing:var(--tracking-wider)}.sponsor-benefit__title{font-family:var(--font);font-size:var(--text-xl);font-weight:var(--weight-medium);letter-spacing:var(--tracking-tight);margin-bottom:var(--space-sm);color:var(--text)}.sponsor-benefit__description{font-family:var(--font);font-size:var(--text-base);font-weight:var(--weight-light);line-height:1.7;color:var(--text-secondary)}.sponsor-showcase{padding:var(--space-3xl) 0;background:var(--bg-card)}.sponsor-showcase__inner{max-width:var(--max-width);margin:0 auto;padding:0 var(--gutter)}.sponsor-showcase__header{text-align:center;margin-bottom:var(--space-3xl)}.sponsor-showcase__mono{font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:var(--tracking-widest);text-transform:uppercase;color:var(--text-muted);margin-bottom:var(--space-sm)}.sponsor-showcase__title{font-family:var(--font);font-size:var(--hero-lg);font-weight:var(--weight-regular);letter-spacing:-0.02em;color:var(--text)}.sponsor-showcase__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:var(--space-lg)}.sponsor-showcase__card{background:var(--bg);border:1px solid var(--border);border-radius:0;overflow:hidden;transition:transform var(--ease-smooth),box-shadow var(--ease-smooth)}.sponsor-showcase__card:hover{transform:translateY(-4px)}.sponsor-showcase__image{width:100%;aspect-ratio:16 / 10;overflow:hidden}.sponsor-showcase__caption{padding:var(--space-lg)}.sponsor-showcase__card-title{font-family:var(--font);font-size:var(--text-base);font-weight:var(--weight-medium);color:var(--text);margin-bottom:var(--space-2xs)}.sponsor-showcase__card-subtitle{font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:var(--tracking-wide);text-transform:uppercase;color:var(--text-muted)}.sponsor-form-section{padding:var(--space-3xl) 0;background:var(--bg)}.sponsor-form-wrap{max-width:900px;margin:0 auto;padding:0 var(--gutter)}.sponsor-form-card{background:var(--bg-card);border:1px solid var(--border);border-radius:0;overflow:hidden}.sponsor-form-header{padding:var(--space-2xl);background:#0a0a0a;color:#ffffff;text-align:center}.sponsor-form-main-title{font-family:var(--font);font-size:clamp(2rem,4vw,3rem);font-weight:var(--weight-regular);letter-spacing:-0.02em;margin-bottom:var(--space-sm);background:linear-gradient(135deg,#ffffff 0%,var(--accent) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.sponsor-form-subtitle{font-family:var(--font);font-size:var(--text-base);font-weight:var(--weight-light);line-height:1.6;color:rgba(255,255,255,0.75);max-width:500px;margin:0 auto}.sponsor-form{padding:var(--space-2xl)}.sponsor-form-section-block{margin-bottom:var(--space-2xl);padding-bottom:var(--space-xl);border-bottom:1px solid var(--border)}.sponsor-form-section-block:last-of-type{border-bottom:none;margin-bottom:0}.sponsor-form__section-title{display:flex;align-items:center;gap:var(--space-sm);font-family:var(--font);font-size:var(--text-lg);font-weight:var(--weight-medium);color:var(--text);margin-bottom:var(--space-xl);padding-bottom:var(--space-sm);border-bottom:1px solid var(--border)}.sponsor-form__section-mono{font-family:var(--font-mono);font-size:var(--text-sm);font-weight:var(--weight-bold);color:var(--accent);letter-spacing:var(--tracking-wider)}.sponsor-form__field{margin-bottom:var(--space-lg)}.sponsor-form__label{display:block;font-family:var(--font-mono);font-size:var(--text-xs);font-weight:var(--weight-medium);letter-spacing:var(--tracking-wide);text-transform:uppercase;color:var(--text);margin-bottom:var(--space-xs)}.sponsor-form__req{color:var(--accent)}.sponsor-form__input,.sponsor-form__textarea,.sponsor-form__select{width:100%;font-family:var(--font);font-size:var(--text-base);font-weight:var(--weight-regular);padding:var(--space-sm) var(--space-md);background:var(--bg);border:1px solid var(--border);border-radius:0;color:var(--text);outline:none;transition:border-color var(--ease-smooth),box-shadow var(--ease-smooth)}.sponsor-form__input:focus,.sponsor-form__textarea:focus,.sponsor-form__select:focus{border-color:var(--text)}.sponsor-form__input::placeholder,.sponsor-form__textarea::placeholder{color:var(--text-muted);font-weight:var(--weight-light)}.sponsor-form__select{cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='7' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23999' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right var(--space-sm) center;padding-right:var(--space-xl)}.sponsor-form__select option{background:var(--bg);color:var(--text)}.sponsor-form__select:disabled{opacity:0.5;cursor:not-allowed;background-color:var(--bg-card)}.sponsor-form__textarea{resize:vertical;min-height:100px}.sponsor-form__textarea--tall{min-height:140px}.sponsor-form__input-prefix{position:relative;display:flex;align-items:center}.sponsor-form__prefix-text{position:absolute;left:var(--space-md);font-family:var(--font-mono);font-size:var(--text-base);color:var(--text-muted);pointer-events:none;z-index:1}.sponsor-form__input--prefixed{padding-left:var(--space-lg)}.sponsor-form__file{width:100%;font-family:var(--font);font-size:var(--text-sm);font-weight:var(--weight-regular);padding:var(--space-sm) var(--space-md);background:var(--bg);border:1px solid var(--border);border-radius:0;color:var(--text-secondary);outline:none;cursor:pointer;transition:border-color var(--ease-smooth)}.sponsor-form__file:focus{border-color:var(--accent)}.sponsor-form__file::file-selector-button{font-family:var(--font-mono);font-size:var(--text-xs);font-weight:var(--weight-medium);letter-spacing:var(--tracking-wide);text-transform:uppercase;padding:var(--space-xs) var(--space-sm);background:var(--bg-card);color:var(--text);border:1px solid var(--border);border-radius:0;cursor:pointer;margin-right:var(--space-sm);transition:background var(--ease-smooth)}.sponsor-form__file::file-selector-button:hover{background:var(--border)}.sponsor-form__file-hint{display:block;font-family:var(--font-mono);font-size:var(--text-2xs);letter-spacing:var(--tracking-wide);text-transform:uppercase;color:var(--text-muted);margin-top:var(--space-xs)}.sponsor-form__row{display:grid;grid-template-columns:1fr 1fr;gap:0 var(--space-lg)}.sponsor-form__row--vehicle{grid-template-columns:1fr 1fr 1fr}.sponsor-form__submit{width:100%;font-family:var(--font);font-size:var(--text-base);font-weight:var(--weight-medium);letter-spacing:var(--tracking-wide);padding:var(--space-lg) var(--space-xl);background:var(--accent);color:#ffffff;border:none;border-radius:0;cursor:pointer;margin-top:var(--space-xl);transition:background var(--ease-smooth),transform var(--ease-smooth)}.sponsor-form__submit:hover{background:var(--accent-light)}.sponsor-confirm{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg);color:var(--text);padding:var(--space-2xl) var(--gutter);text-align:center}.sponsor-confirm__inner{max-width:700px}.sponsor-confirm__title{font-family:var(--font);font-size:clamp(2.75rem,6vw,4.625rem);font-weight:var(--weight-regular);letter-spacing:-0.02em;line-height:var(--leading-none);margin:0 0 var(--space-lg)}.sponsor-confirm__sub{font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:var(--tracking-wider);text-transform:uppercase;color:var(--text-muted)}@media (max-width:768px){.sponsor-hero__content{grid-template-columns:1fr;gap:var(--space-2xl);text-align:center}.sponsor-benefits__grid{grid-template-columns:1fr;gap:var(--space-lg)}.sponsor-showcase__grid{grid-template-columns:1fr}.sponsor-form__row,.sponsor-form__row--vehicle{grid-template-columns:1fr;gap:0}.sponsor-form-header{padding:var(--space-xl)}.sponsor-form{padding:var(--space-xl)}}@media (max-width:480px){.sponsor-hero{padding:var(--space-lg) 0}.sponsor-benefits{padding:var(--space-2xl) 0}.sponsor-showcase{padding:var(--space-2xl) 0}.sponsor-form-section{padding:var(--space-2xl) 0}}