:root{--hh-color-background:#FFFFFF;--hh-color-card:#FFFFFF;--hh-color-text:#636366;--hh-color-title:#1C1C1E;--hh-color-primary-50:#E6FFFC;--hh-color-primary-100:#B8FFF5;--hh-color-primary-200:#7AF5E8;--hh-color-primary-300:#3DE8DB;--hh-color-primary-400:#1AD9CA;--hh-color-primary-500:#00C2B3;--hh-color-primary-600:#009E92;--hh-color-primary-700:#007A71;--hh-color-primary-800:#005750;--hh-color-primary-900:#003330;--hh-color-secondary-50:#FFF0F8;--hh-color-secondary-100:#FFD6EE;--hh-color-secondary-200:#FFA8DC;--hh-color-secondary-300:#FF7AC8;--hh-color-secondary-400:#F54DB5;--hh-color-secondary-500:#E91E8C;--hh-color-secondary-600:#C41775;--hh-color-secondary-700:#9E115E;--hh-color-secondary-800:#780C47;--hh-color-secondary-900:#520731;--hh-color-neutral-50:#FFFFFF;--hh-color-neutral-100:#F5F5F7;--hh-color-neutral-150:#FFFFFF;--hh-color-neutral-200:#E5E5EA;--hh-color-neutral-250:#D1D1D6;--hh-color-neutral-300:#C7C7CC;--hh-color-neutral-400:#AEAEB2;--hh-color-neutral-500:#8E8E93;--hh-color-neutral-600:#636366;--hh-color-neutral-700:#48484A;--hh-color-neutral-800:#3A3A3C;--hh-color-neutral-900:#1C1C1E;--hh-color-success-50:#ECFDF5;--hh-color-success-100:#D1FAE5;--hh-color-success-200:#A7F3D0;--hh-color-success-300:#6EE7B7;--hh-color-success-400:#34D399;--hh-color-success-500:#10B981;--hh-color-success-600:#059669;--hh-color-success-700:#047857;--hh-color-success-800:#065F46;--hh-color-success-900:#064E3B;--hh-color-danger-50:#FFF1F3;--hh-color-danger-100:#FFE0E5;--hh-color-danger-200:#FFB8C4;--hh-color-danger-300:#FF8FA3;--hh-color-danger-400:#FF5C78;--hh-color-danger-500:#FF2954;--hh-color-danger-600:#E0153F;--hh-color-danger-700:#B30F32;--hh-color-danger-800:#860B26;--hh-color-danger-900:#59061A;--hh-color-warning-50:#FFFBEB;--hh-color-warning-100:#FFF3C4;--hh-color-warning-200:#FFE588;--hh-color-warning-300:#FFD54A;--hh-color-warning-400:#FFC21A;--hh-color-warning-500:#FFAB00;--hh-color-warning-600:#E08F00;--hh-color-warning-700:#B36F00;--hh-color-warning-800:#864F00;--hh-color-warning-900:#593300;--hh-spacing-xs:4px;--hh-spacing-sm:8px;--hh-spacing-md:12px;--hh-spacing-lg:16px;--hh-spacing-xl:24px;--hh-radius-sm:4px;--hh-radius-md:8px;--hh-radius-lg:12px;--hh-radius-pill:999px;--hh-font-size-base:1rem;--hh-font-size-sm:0.875rem;--hh-line-height-sm:1.25rem;--hh-font-weight-sm:400;--hh-font-size-md:1rem;--hh-line-height-md:1.5rem;--hh-font-weight-md:400;--hh-font-size-lg:1.5rem;--hh-line-height-lg:2rem;--hh-font-weight-lg:600;--hh-font-size-xl:2rem;--hh-line-height-xl:3rem;--hh-font-weight-xl:700;--primary:var(--hh-color-primary-500);--primary-light:var(--hh-color-primary-400);--primary-dark:var(--hh-color-primary-600);--secondary:var(--hh-color-secondary-500);--light-bg:var(--hh-color-background);--text:var(--hh-color-title);--light-text:var(--hh-color-text);--border:var(--hh-color-neutral-200);--card-bg:var(--hh-color-card)}[data-theme=dark]{--hh-color-background:#0D0B14;--hh-color-card:#1C1B24;--hh-color-text:#AEAEB2;--hh-color-title:#F5F5F7;--hh-color-primary-50:#E6FFFC;--hh-color-primary-100:#B8FFF5;--hh-color-primary-200:#7AF5E8;--hh-color-primary-300:#3DE8DB;--hh-color-primary-400:#1AD9CA;--hh-color-primary-500:#00C2B3;--hh-color-primary-600:#009E92;--hh-color-primary-700:#007A71;--hh-color-primary-800:#005750;--hh-color-primary-900:#003330;--hh-color-secondary-50:#FFF0F8;--hh-color-secondary-100:#FFD6EE;--hh-color-secondary-200:#FFA8DC;--hh-color-secondary-300:#FF7AC8;--hh-color-secondary-400:#F54DB5;--hh-color-secondary-500:#E91E8C;--hh-color-secondary-600:#C41775;--hh-color-secondary-700:#9E115E;--hh-color-secondary-800:#780C47;--hh-color-secondary-900:#520731;--hh-color-neutral-50:#FFFFFF;--hh-color-neutral-100:#F5F5F7;--hh-color-neutral-150:#FFFFFF;--hh-color-neutral-200:#E5E5EA;--hh-color-neutral-250:#D1D1D6;--hh-color-neutral-300:#C7C7CC;--hh-color-neutral-400:#AEAEB2;--hh-color-neutral-500:#8E8E93;--hh-color-neutral-600:#636366;--hh-color-neutral-700:#48484A;--hh-color-neutral-800:#3A3A3C;--hh-color-neutral-900:#1C1C1E;--hh-color-success-50:#ECFDF5;--hh-color-success-100:#D1FAE5;--hh-color-success-200:#A7F3D0;--hh-color-success-300:#6EE7B7;--hh-color-success-400:#34D399;--hh-color-success-500:#10B981;--hh-color-success-600:#059669;--hh-color-success-700:#047857;--hh-color-success-800:#065F46;--hh-color-success-900:#064E3B;--hh-color-danger-50:#FFF1F3;--hh-color-danger-100:#FFE0E5;--hh-color-danger-200:#FFB8C4;--hh-color-danger-300:#FF8FA3;--hh-color-danger-400:#FF5C78;--hh-color-danger-500:#FF2954;--hh-color-danger-600:#E0153F;--hh-color-danger-700:#B30F32;--hh-color-danger-800:#860B26;--hh-color-danger-900:#59061A;--hh-color-warning-50:#FFFBEB;--hh-color-warning-100:#FFF3C4;--hh-color-warning-200:#FFE588;--hh-color-warning-300:#FFD54A;--hh-color-warning-400:#FFC21A;--hh-color-warning-500:#FFAB00;--hh-color-warning-600:#E08F00;--hh-color-warning-700:#B36F00;--hh-color-warning-800:#864F00;--hh-color-warning-900:#593300;--hh-spacing-xs:4px;--hh-spacing-sm:8px;--hh-spacing-md:12px;--hh-spacing-lg:16px;--hh-spacing-xl:24px;--hh-radius-sm:4px;--hh-radius-md:8px;--hh-radius-lg:12px;--hh-radius-pill:999px;--hh-font-size-base:1rem;--hh-font-size-sm:0.875rem;--hh-line-height-sm:1.25rem;--hh-font-weight-sm:400;--hh-font-size-md:1rem;--hh-line-height-md:1.5rem;--hh-font-weight-md:400;--hh-font-size-lg:1.5rem;--hh-line-height-lg:2rem;--hh-font-weight-lg:600;--hh-font-size-xl:2rem;--hh-line-height-xl:3rem;--hh-font-weight-xl:700;--primary:var(--hh-color-primary-500);--primary-light:var(--hh-color-primary-400);--primary-dark:var(--hh-color-primary-600);--secondary:var(--hh-color-secondary-500);--light-bg:var(--hh-color-background);--text:var(--hh-color-title);--light-text:var(--hh-color-text);--border:var(--hh-color-neutral-200);--card-bg:var(--hh-color-card)}html{font-size:100%}*{margin:0;padding:0;box-sizing:border-box;font-family:Inter,sans-serif}body{background:radial-gradient(circle at top left,rgba(0,194,179,.12),transparent 34rem),radial-gradient(circle at top right,rgba(61,232,219,.1),transparent 30rem),#f7fbfb;color:var(--hh-color-text);font-size:var(--hh-font-size-md);line-height:var(--hh-line-height-md);overflow-x:hidden}header{background:rgba(255,255,255,.82);padding:1rem 0;border-bottom:1px solid rgba(0,122,113,.1);box-shadow:0 16px 40px rgba(0,87,80,.06);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);position:-webkit-sticky;position:sticky;top:0;z-index:100}nav{display:flex;gap:1.8rem}nav a{color:var(--hh-color-neutral-700);text-decoration:none;font-weight:500;font-size:1rem;position:relative;transition:all .3s ease}nav a:hover{color:var(--hh-color-primary-700)}nav a:after{content:"";position:absolute;bottom:-5px;left:0;width:0;height:2px;background:linear-gradient(90deg,var(--hh-color-primary-600),var(--hh-color-primary-300));transition:width .3s ease}nav a:hover:after{width:100%}section{padding:5rem 0}footer{background:radial-gradient(circle at 20% 0,rgba(0,194,179,.22),transparent 24rem),linear-gradient(135deg,#081816,#10101a);color:white;padding:4rem 0 2rem}@media (max-width:768px){header{padding:1rem 0}nav{flex-wrap:wrap;justify-content:center;gap:1rem}section{padding:3.5rem 0}}