:root{--section-bg-light:#FAFAF8;--iphtech-blue:#2874fc;--iphtech-blue-dark:#1a5fd4;--iphtech-blue-light:#5a95fd;--iphtech-blue-pale:#eef3ff;--iphtech-blue-extra-pale:#f5f8ff;--iphtech-blue-tint:rgba(40, 116, 252, .09);--iphtech-blue-border:rgba(40, 116, 252, .26);--iphtech-blue-glow:rgba(40, 116, 252, .18);--iphtech-shadow-blue:0 8px 32px rgba(40, 116, 252, .20);--iphtech-orange:#FF5900;--iphtech-orange-dark:#e64f00;--iphtech-orange-light:#ff7a33;--iphtech-orange-pale:#fff7f0;--iphtech-orange-tint:rgba(255, 89, 0, .09);--iphtech-orange-border:rgba(255, 89, 0, .26);--iphtech-orange-glow:rgba(255, 89, 0, .18);--iphtech-brand:var(--iphtech-blue);--iphtech-brand-dark:var(--iphtech-blue-dark);--iphtech-brand-light:var(--iphtech-blue-light);--iphtech-brand-pale:var(--iphtech-blue-pale);--iphtech-brand-tint:var(--iphtech-blue-tint);--iphtech-brand-border:var(--iphtech-blue-border);--iphtech-brand-glow:var(--iphtech-blue-glow);--iphtech-shadow-brand:var(--iphtech-shadow-blue);--iphtech-green:#16a34a;--iphtech-green-tint:rgba(22, 163, 74, .09);--iphtech-green-border:rgba(22, 163, 74, .22);--iphtech-amber:#d97706;--iphtech-amber-tint:rgba(217, 119, 6, .09);--iphtech-amber-border:rgba(217, 119, 6, .22);--iphtech-red:#dc2626;--iphtech-red-tint:rgba(220, 38, 38, .08);--iphtech-red-border:rgba(220, 38, 38, .22);--iphtech-surface:#ffffff;--iphtech-surface-2:#f6f8fc;--iphtech-surface-3:#eef1f6;--iphtech-surface-4:#e4e8f0;--iphtech-ink:#111827;--iphtech-ink-2:#3b3f4a;--iphtech-ink-3:#6b7280;--iphtech-ink-4:#9ca3af;--iphtech-border:#dde2ea;--iphtech-border-2:#c8d0db;--iphtech-shadow-sm:0 1px 4px rgba(0, 0, 0, .06), 0 4px 16px rgba(0, 0, 0, .06);--iphtech-shadow-md:0 4px 12px rgba(0, 0, 0, .08), 0 12px 36px rgba(0, 0, 0, .08);--iphtech-shadow-lg:0 8px 24px rgba(0, 0, 0, .10), 0 24px 60px rgba(0, 0, 0, .10);--iphtech-radius-xs:5px;--iphtech-radius-sm:8px;--iphtech-radius-md:14px;--iphtech-radius-lg:20px;--iphtech-radius-pill:100px;--iphtech-font-body:'Plus Jakarta Sans', sans-serif;--iphtech-font-heading:'Lato', sans-serif;--iphtech-font-mono:'JetBrains Mono', monospace;--iphtech-gutter:52px;--iphtech-section-y:80px;--iphtech-nav-height:64px;--iphtech-sidebar-width:268px;--iphtech-z-raised:10;--iphtech-z-overlay:50;--iphtech-z-modal:100;--iphtech-z-nav:200;--iphtech-z-toast:300;--iphtech-z-skip:9999;--iphtech-ease:cubic-bezier(.4, 0, .2, 1);--iphtech-duration:220ms;--iphtech-dk-surface:#0d1117;--iphtech-dk-surface-2:#161b22;--iphtech-dk-surface-3:#1c2128;--iphtech-dk-surface-4:#222831;--iphtech-dk-ink:#e8edf5;--iphtech-dk-ink-2:#3b3f4a;--iphtech-dk-ink-3:#7e93b0;--iphtech-dk-ink-4:#516480;--iphtech-dk-border:#21262d;--iphtech-dk-border-2:#30363d;--iphtech-dk-shadow-sm:0 1px 4px rgba(0, 0, 0, .30), 0 4px 16px rgba(0, 0, 0, .25);--iphtech-dk-shadow-md:0 4px 12px rgba(0, 0, 0, .40), 0 12px 36px rgba(0, 0, 0, .35);--iphtech-dk-shadow-lg:0 8px 24px rgba(0, 0, 0, .50), 0 24px 60px rgba(0, 0, 0, .45);--iphtech-brand-org:var(--iphtech-orange);--iphtech-brand-org-dark:var(--iphtech-orange-dark);--iphtech-brand-org-light:var(--iphtech-orange-light);--iphtech-brand-org-pale:var(--iphtech-orange-pale);--iphtech-brand-org-tint:var(--iphtech-orange-tint);--iphtech-brand-org-border:var(--iphtech-orange-border);--iphtech-brand-org-glow:var(--iphtech-orange-glow);--iphtech-shadow-org-brand:0 8px 32px rgba(255, 89, 0, .20)}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;font-size:16px}body{font-family:var(--iphtech-font-body);font-size:.95rem;line-height:1.7;color:var(--iphtech-ink-2);background:var(--iphtech-surface);overflow-x:clip;-webkit-font-smoothing:antialiased;transition:background var(--iphtech-duration) var(--iphtech-ease),color var(--iphtech-duration) var(--iphtech-ease)}img,video,svg{max-width:100%;height:auto;display:block}a{color:var(--iphtech-brand);text-decoration:none;transition:color .15s}a:hover{color:var(--iphtech-brand-dark)}h1,h2,h3,h4{font-family:var(--iphtech-font-heading);font-weight:900;line-height:1.1;letter-spacing:-.025em;color:var(--iphtech-ink)}ul{list-style:none}button{cursor:pointer;font-family:var(--iphtech-font-body)}:focus-visible{outline:2px solid var(--iphtech-brand);outline-offset:3px;border-radius:4px}.iphtech-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.iphtech-skip-link{position:absolute;top:-100%;left:16px;background:var(--iphtech-brand);color:var(--iphtech-surface);padding:8px 18px;border-radius:var(--iphtech-radius-sm);font-weight:700;z-index:var(--iphtech-z-skip);transition:top .15s}.iphtech-skip-link:focus{top:12px}.iphtech-code-inline{font-family:var(--iphtech-font-mono);font-size:.82em;background:var(--iphtech-surface-3);padding:1px 5px;border-radius:3px}.iphtech-divider{border:none;border-top:1px solid var(--iphtech-border);margin:18px 0}.iphtech-sublabel{font-size:.67rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--iphtech-ink-4);margin-bottom:10px}.iphtech-nav-wrapper{position:sticky;top:0;z-index:var(--iphtech-z-nav);height:var(--iphtech-nav-height);background:rgb(255 255 255 / .88);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--iphtech-border);transition:background var(--iphtech-duration) var(--iphtech-ease),border-color var(--iphtech-duration) var(--iphtech-ease)}[data-theme="dark-blue"] .iphtech-nav-wrapper,[data-theme="dark-orange"] .iphtech-nav-wrapper{background:rgb(13 17 23 / .88)}.iphtech-nav-inner{max-width:1320px;margin:0 auto;padding:0 var(--iphtech-gutter);height:100%;display:flex;align-items:center;justify-content:space-between;gap:20px}.iphtech-nav-logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--iphtech-ink);font-family:var(--iphtech-font-heading);font-weight:900;font-size:.98rem;letter-spacing:-.015em;flex-shrink:0}.iphtech-nav-logo-mark{width:36px;height:36px;border-radius:9px;background:linear-gradient(135deg,var(--iphtech-blue),var(--iphtech-orange));display:flex;align-items:center;justify-content:center;color:var(--iphtech-surface);font-size:.88rem;font-weight:900}.iphtech-nav-links{display:flex;align-items:center;gap:26px}.iphtech-nav-links a{font-size:.83rem;font-weight:500;color:var(--iphtech-ink-3);transition:color .15s}.iphtech-nav-links a:hover{color:var(--iphtech-ink)}.iphtech-nav-actions{display:flex;align-items:center;gap:10px}.iphtech-theme-selector{background:var(--iphtech-surface-2);border:1px solid var(--iphtech-border);border-radius:var(--iphtech-radius-pill);padding:5px 13px;font-family:var(--iphtech-font-body);font-size:.74rem;font-weight:600;color:var(--iphtech-ink-2);outline:none;-webkit-appearance:none;appearance:none;transition:border-color .15s}.iphtech-theme-selector:hover{border-color:var(--iphtech-brand)}.iphtech-nav-cta-button{background:var(--iphtech-brand);color:var(--iphtech-surface);padding:8px 18px;border-radius:var(--iphtech-radius-sm);font-size:.8rem;font-weight:700;text-decoration:none;border:none;transition:background .15s,transform .15s;white-space:nowrap}.iphtech-nav-cta-button:hover{background:var(--iphtech-brand-dark);color:var(--iphtech-surface);transform:translateY(-1px)}.iphtech-hamburger-button{display:none;flex-direction:column;gap:5px;background:none;border:none;padding:8px;border-radius:var(--iphtech-radius-sm)}.iphtech-hamburger-button span{display:block;width:22px;height:2px;background:var(--iphtech-ink);border-radius:2px;transition:transform var(--iphtech-duration),opacity var(--iphtech-duration)}.iphtech-hamburger-button.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}.iphtech-hamburger-button.is-open span:nth-child(2){opacity:0}.iphtech-hamburger-button.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.iphtech-drawer-nav{display:none;position:fixed;inset:0;background:var(--iphtech-surface);z-index:var(--iphtech-z-modal);padding:calc(var(--iphtech-nav-height) + 20px) 20px 20px;flex-direction:column;gap:2px;overflow-y:auto}.iphtech-drawer-nav.is-open{display:flex}.iphtech-drawer-nav a{font-size:1rem;font-weight:600;color:var(--iphtech-ink);padding:14px 0;border-bottom:1px solid var(--iphtech-border);display:flex;justify-content:space-between;align-items:center}.iphtech-drawer-nav a::after{content:'→';color:var(--iphtech-brand)}.iphtech-drawer-footer{margin-top:auto;padding-top:20px;display:flex;flex-direction:column;gap:10px}.iphtech-hero-section{background:linear-gradient(135deg,#050c1f 0%,#0a1635 55%,#050c1f 100%);padding:72px var(--iphtech-gutter) 64px;position:relative;overflow:hidden}.iphtech-hero-section::before{content:'';position:absolute;top:-160px;right:-80px;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,var(--iphtech-blue-tint) 0%,transparent 65%);pointer-events:none}.iphtech-hero-section::after{content:'';position:absolute;bottom:-120px;left:-60px;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,var(--iphtech-orange-tint) 0%,transparent 65%);pointer-events:none}.iphtech-hero-inner{max-width:1320px;margin:0 auto;position:relative;z-index:1}.iphtech-hero-logo-row{display:flex;align-items:center;gap:10px;margin-bottom:28px}.iphtech-hero-logo-mark{width:42px;height:42px;border-radius:11px;background:linear-gradient(135deg,var(--iphtech-blue),var(--iphtech-orange));display:flex;align-items:center;justify-content:center;color:var(--iphtech-surface);font-size:1rem;font-weight:900;font-family:var(--iphtech-font-heading)}.iphtech-hero-logo-name{font-family:var(--iphtech-font-heading);font-weight:900;font-size:1rem;color:var(--iphtech-surface);letter-spacing:-.01em}.iphtech-hero-heading{font-family:var(--iphtech-font-heading);font-size:clamp(2rem, 5.5vw, 3.5rem);font-weight:900;color:var(--iphtech-surface);letter-spacing:-.035em;line-height:1.06;margin-bottom:16px}.iphtech-hero-heading em{font-style:normal;background:linear-gradient(90deg,var(--iphtech-blue-light),var(--iphtech-orange-light));-webkit-background-clip:text;-webkit-text-fill-color:#fff0;background-clip:text}.iphtech-hero-subtitle{font-size:clamp(.85rem, 2vw, 1rem);color:rgb(255 255 255 / .5);max-width:580px;line-height:1.82;margin-bottom:24px}.iphtech-hero-chip-row{display:flex;gap:8px;flex-wrap:wrap}.iphtech-hero-chip{display:inline-flex;align-items:center;gap:5px;padding:5px 14px;border-radius:var(--iphtech-radius-pill);font-size:.67rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;background:rgb(255 255 255 / .07);border:1px solid rgb(255 255 255 / .14);color:rgb(255 255 255 / .65)}.iphtech-page-wrapper{max-width:1320px;margin:0 auto}.iphtech-page-layout{display:grid;grid-template-columns:var(--iphtech-sidebar-width) 1fr;gap:36px;padding:48px 0 80px;align-items:start}.iphtech-sidebar-panel{position:sticky;top:calc(var(--iphtech-nav-height) + 16px);border:1px solid var(--iphtech-border);padding:10px;border-radius:var(--iphtech-radius-md)}.iphtech-toc-heading{font-size:.64rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--iphtech-ink-4);margin-bottom:8px;padding:0 10px}.iphtech-toc-nav{max-height:calc(100vh - var(--iphtech-nav-height) - 32px);overflow-y:auto;overflow-x:hidden;display:flex;flex-direction:column;gap:2px;scrollbar-width:thin;scrollbar-color:var(--iphtech-brand-border) #fff0}.iphtech-toc-nav::-webkit-scrollbar{width:4px}.iphtech-toc-nav::-webkit-scrollbar-track{background:#fff0}.iphtech-toc-nav::-webkit-scrollbar-thumb{background-color:var(--iphtech-brand-border);border-radius:10px}.iphtech-toc-nav a{display:flex;align-items:center;gap:8px;padding:7px 11px;border-radius:var(--iphtech-radius-sm);color:var(--iphtech-ink-3);font-size:.79rem;font-weight:500;border-left:2px solid #fff0;transition:all .15s}.iphtech-toc-step-number{font-size:.64rem;font-weight:700;background:var(--iphtech-surface-3);border:1px solid var(--iphtech-border);color:var(--iphtech-ink-4);border-radius:4px;padding:1px 5px;flex-shrink:0}.iphtech-toc-nav a:hover,.iphtech-toc-nav a.is-active{color:var(--iphtech-brand);background:var(--iphtech-brand-tint);border-left-color:var(--iphtech-brand);font-weight:700}.iphtech-toc-nav a.is-active .iphtech-toc-step-number{background:var(--iphtech-brand-tint);border-color:var(--iphtech-brand-border);color:var(--iphtech-brand)}.iphtech-sidebar-cta-card{background:var(--iphtech-surface);border:1px solid var(--iphtech-border);border-radius:var(--iphtech-radius-md);padding:1.1rem;margin-top:18px}.iphtech-sidebar-cta-card h4{font-size:.8rem;margin-bottom:5px}.iphtech-sidebar-cta-card p{font-size:.73rem;color:var(--iphtech-ink-3);line-height:1.6;margin-bottom:12px}.iphtech-content-area{min-width:0}.iphtech-content-area>*+*{margin-top:20px}.iphtech-section-card{background:var(--iphtech-surface);border:1px solid var(--iphtech-border);border-radius:var(--iphtech-radius-md);padding:32px 36px;scroll-margin-top:calc(var(--iphtech-nav-height) + 20px);transition:background var(--iphtech-duration),border-color var(--iphtech-duration)}.iphtech-section-eyebrow{display:inline-flex;align-items:center;gap:6px;font-size:.64rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--iphtech-brand);margin-bottom:8px}.iphtech-section-eyebrow::before{content:'';width:18px;height:2px;background:var(--iphtech-brand);border-radius:2px}.iphtech-section-title{font-size:clamp(1.15rem, 3vw, 1.55rem);margin-bottom:8px}.iphtech-section-description{font-size:.87rem;color:var(--iphtech-ink-3);line-height:1.82;max-width:680px;margin-bottom:22px}.iphtech-row{display:grid;gap:var(--iphtech-row-gap,16px)}.iphtech-row-1-col{grid-template-columns:1fr}.iphtech-row-2-col{grid-template-columns:repeat(2,1fr)}.iphtech-row-3-col{grid-template-columns:repeat(3,1fr)}.iphtech-row-4-col{grid-template-columns:repeat(4,1fr)}.iphtech-row-5-col{grid-template-columns:repeat(5,1fr)}.iphtech-row-6-col{grid-template-columns:repeat(6,1fr)}.iphtech-row-7-col{grid-template-columns:repeat(7,1fr)}.iphtech-row-8-col{grid-template-columns:repeat(8,1fr)}.iphtech-row-auto-xs{grid-template-columns:repeat(auto-fill,minmax(100px,1fr))}.iphtech-row-auto-sm{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}.iphtech-row-auto-md{grid-template-columns:repeat(auto-fill,minmax(210px,1fr))}.iphtech-row-auto-lg{grid-template-columns:repeat(auto-fill,minmax(255px,1fr))}.iphtech-row-auto-xl{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}.iphtech-col-span-2{grid-column:span 2}.iphtech-col-span-3{grid-column:span 3}.iphtech-col-span-4{grid-column:span 4}.iphtech-col-full{grid-column:1 / -1}.iphtech-row-sidebar-content{grid-template-columns:var(--iphtech-sidebar-width) 1fr}.iphtech-palette-group{margin-bottom:22px}.iphtech-palette-group-title{font-size:.66rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--iphtech-ink-4);padding-bottom:8px;border-bottom:1px solid var(--iphtech-border);margin-bottom:11px}.iphtech-swatch-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(108px,1fr));gap:10px}.iphtech-swatch-item{border-radius:var(--iphtech-radius-sm);overflow:hidden;border:1px solid var(--iphtech-border)}.iphtech-swatch-colour-block{height:62px}.iphtech-swatch-info{padding:8px 10px;background:var(--iphtech-surface)}.iphtech-swatch-name{font-size:.71rem;font-weight:700;color:var(--iphtech-ink);margin-bottom:2px}.iphtech-swatch-hex-value{font-family:var(--iphtech-font-mono);font-size:.64rem;color:var(--iphtech-ink-3)}.iphtech-swatch-token{font-size:.59rem;color:var(--iphtech-ink-4);margin-top:2px}.iphtech-type-specimen-row{border:1px solid var(--iphtech-border);border-radius:var(--iphtech-radius-sm);padding:18px 20px;margin-bottom:10px;background:var(--iphtech-surface);display:flex;align-items:flex-start;justify-content:space-between;gap:16px;flex-wrap:wrap}.iphtech-type-specimen-text{flex:1;min-width:0}.iphtech-type-specimen-meta{flex-shrink:0;min-width:138px;text-align:right}.iphtech-type-meta-label{font-size:.61rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--iphtech-ink-4);display:block;margin-bottom:6px}.iphtech-type-meta-value{font-family:var(--iphtech-font-mono);font-size:.64rem;color:var(--iphtech-ink-4);display:block;line-height:1.7}.iphtech-spacing-preview-row{display:flex;align-items:flex-end;gap:12px;flex-wrap:wrap;margin-bottom:22px}.iphtech-spacing-item{display:flex;flex-direction:column;align-items:center;gap:6px}.iphtech-spacing-bar{background:linear-gradient(180deg,var(--iphtech-blue-light),var(--iphtech-blue));border-radius:3px;width:18px;opacity:.75}.iphtech-spacing-token-label{font-family:var(--iphtech-font-mono);font-size:.61rem;color:var(--iphtech-ink-3)}.iphtech-spacing-usage-note{font-size:.58rem;color:var(--iphtech-ink-4)}.iphtech-radius-preview-row{display:flex;gap:14px;flex-wrap:wrap;align-items:flex-end}.iphtech-radius-item{text-align:center}.iphtech-radius-box{background:var(--iphtech-blue-pale);border:1px solid var(--iphtech-blue-border)}.iphtech-radius-size-label{font-size:.63rem;color:var(--iphtech-ink-3);margin-top:6px}.iphtech-radius-usage-note{font-size:.58rem;color:var(--iphtech-ink-4)}.iphtech-shadow-preview-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(158px,1fr));gap:14px}.iphtech-shadow-card{background:var(--iphtech-surface);border-radius:var(--iphtech-radius-md);padding:22px 16px;text-align:center}.iphtech-shadow-card-title{font-size:.72rem;font-weight:700;color:var(--iphtech-ink);margin-top:14px;margin-bottom:4px}.iphtech-shadow-card-value{font-size:.63rem;font-family:var(--iphtech-font-mono);color:var(--iphtech-ink-4);line-height:1.6}.iphtech-shadow-card-usage{font-size:.62rem;color:var(--iphtech-brand);margin-top:6px}.iphtech-theme-preview-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.iphtech-theme-preview-card{border-radius:var(--iphtech-radius-md);overflow:hidden;border:1px solid var(--iphtech-border)}.iphtech-theme-preview-header{padding:11px 16px;display:flex;align-items:center;gap:8px;border-bottom:1px solid}.iphtech-theme-preview-dot{width:9px;height:9px;border-radius:50%}.iphtech-theme-preview-name{font-size:.72rem;font-weight:700}.iphtech-theme-preview-code{margin-left:auto;font-family:var(--iphtech-font-mono);font-size:.57rem}.iphtech-theme-preview-body{padding:14px}.iphtech-theme-preview-eyebrow{font-size:.57rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;margin-bottom:5px}.iphtech-theme-preview-heading{font-size:.88rem;font-weight:900;margin-bottom:8px}.iphtech-theme-preview-card-row{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-bottom:8px}.iphtech-theme-preview-mini-card{border-radius:6px;padding:8px}.iphtech-theme-preview-mini-title{font-size:.62rem;font-weight:700;margin-bottom:3px}.iphtech-theme-preview-mini-body{font-size:.57rem;line-height:1.5}.iphtech-theme-preview-actions{display:flex;gap:6px;align-items:center}.iphtech-theme-preview-button{padding:6px 12px;border-radius:6px;font-size:.62rem;font-weight:700;border:none}.iphtech-theme-preview-badge{padding:3px 8px;border-radius:20px;font-size:.59rem;font-weight:700}.iphtech-button-group{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:14px}.iphtech-button{display:inline-flex;align-items:center;gap:6px;padding:.72rem 1.6rem;border-radius:10px;font-family:var(--iphtech-font-body);font-size:.84rem;font-weight:700;text-decoration:none;border:none;white-space:nowrap;transition:background var(--iphtech-duration) var(--iphtech-ease),box-shadow var(--iphtech-duration) var(--iphtech-ease),transform .15s,border-color 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var(--iphtech-brand-border)}.iphtech-button-outline:hover{background:var(--iphtech-brand-tint);color:var(--iphtech-brand);border-color:var(--iphtech-brand);transform:translateY(-2px)}.iphtech-button-outline-orange{background:#fff0;color:var(--iphtech-orange);border:2px solid var(--iphtech-orange-border)}.iphtech-button-outline-orange:hover{background:var(--iphtech-orange-tint);color:var(--iphtech-orange-dark);border-color:var(--iphtech-orange);transform:translateY(-2px)}.iphtech-button-ghost{background:var(--iphtech-surface-2);color:var(--iphtech-ink-2);border:1px solid var(--iphtech-border)}.iphtech-button-ghost:hover{background:var(--iphtech-surface-3);color:var(--iphtech-ink)}.iphtech-button-small{padding:.46rem 1rem;font-size:.75rem;border-radius:var(--iphtech-radius-sm)}.iphtech-button-large{padding:.9rem 2rem;font-size:.95rem;border-radius:12px}.iphtech-badge-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}.iphtech-badge{display:inline-flex;align-items:center;gap:5px;padding:.27rem .8rem;border-radius:var(--iphtech-radius-pill);font-size:.69rem;font-weight:700;letter-spacing:.04em}.iphtech-badge-blue{background:var(--iphtech-blue-tint);color:var(--iphtech-blue-dark);border:1px solid var(--iphtech-blue-border)}.iphtech-badge-orange{background:var(--iphtech-orange-tint);color:var(--iphtech-orange-dark);border:1px solid var(--iphtech-orange-border)}.iphtech-badge-green{background:var(--iphtech-green-tint);color:var(--iphtech-green);border:1px solid var(--iphtech-green-border)}.iphtech-badge-amber{background:var(--iphtech-amber-tint);color:var(--iphtech-amber);border:1px solid var(--iphtech-amber-border)}.iphtech-badge-red{background:var(--iphtech-red-tint);color:var(--iphtech-red);border:1px solid var(--iphtech-red-border)}.iphtech-badge-neutral{background:var(--iphtech-surface-3);color:var(--iphtech-ink-3);border:1px solid var(--iphtech-border)}.iphtech-badge-dark{background:var(--iphtech-ink);color:var(--iphtech-surface)}.iphtech-badge-brand{background:var(--iphtech-brand-tint);color:var(--iphtech-brand-dark);border:1px solid var(--iphtech-brand-border)}.iphtech-eyebrow-pill{display:inline-flex;align-items:center;gap:6px;font-size:.68rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;padding:.35rem 1rem;border-radius:var(--iphtech-radius-pill)}.iphtech-eyebrow-pill-blue{background:var(--iphtech-blue-tint);color:var(--iphtech-blue-dark);border:1px solid var(--iphtech-blue-border)}.iphtech-eyebrow-pill-orange{background:var(--iphtech-orange-tint);color:var(--iphtech-orange-dark);border:1px solid var(--iphtech-orange-border)}.iphtech-tech-tag{background:var(--iphtech-surface-2);border:1px solid var(--iphtech-border);border-radius:9px;padding:.45rem .9rem;font-size:.75rem;font-weight:600;color:var(--iphtech-ink-2)}.iphtech-card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:13px}.iphtech-card{background:var(--iphtech-surface-2);border:1px solid var(--iphtech-border);border-radius:var(--iphtech-radius-md);padding:1.4rem;position:relative;overflow:hidden;transition:border-color var(--iphtech-duration),transform var(--iphtech-duration),box-shadow var(--iphtech-duration)}.iphtech-card::after{content:'';position:absolute;bottom:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--iphtech-brand),transparent);opacity:0;transition:opacity var(--iphtech-duration)}.iphtech-card:hover{border-color:var(--iphtech-brand-border);transform:translateY(-4px);box-shadow:var(--iphtech-shadow-md)}.iphtech-card:hover::after{opacity:1}.iphtech-card-icon{width:42px;height:42px;border-radius:10px;background:var(--iphtech-brand-tint);border:1px solid var(--iphtech-brand-border);display:flex;align-items:center;justify-content:center;font-size:1.1rem;margin-bottom:.85rem}.iphtech-card-title{font-size:.88rem;font-weight:700;color:var(--iphtech-ink);margin-bottom:.4rem;font-family:var(--iphtech-font-body)}.iphtech-card-body{font-size:.77rem;color:var(--iphtech-ink-3);line-height:1.72}.iphtech-form-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:18px}.iphtech-form-field{display:flex;flex-direction:column;gap:5px}.iphtech-form-label{font-size:.75rem;font-weight:600;color:var(--iphtech-ink-2)}.iphtech-form-hint-text{font-size:.69rem;color:var(--iphtech-ink-4)}.iphtech-form-input,.iphtech-form-select,.iphtech-form-textarea{display:block;width:100%;padding:.63rem 1rem!important;background:var(--iphtech-surface);border:1px solid var(--iphtech-border-2);border-radius:var(--iphtech-radius-sm);font-family:var(--iphtech-font-body);font-size:.87rem;color:var(--iphtech-ink);line-height:1.5;outline:none;-webkit-appearance:none;appearance:none;transition:border-color .15s,box-shadow .15s}.iphtech-form-input::placeholder,.iphtech-form-textarea::placeholder{color:var(--iphtech-ink-4)}.iphtech-form-input:focus,.iphtech-form-select:focus,.iphtech-form-textarea:focus{border-color:var(--iphtech-brand);box-shadow:0 0 0 3px var(--iphtech-brand-tint)}.iphtech-form-textarea{resize:vertical;min-height:88px}.iphtech-form-input-error{border-color:var(--iphtech-red)!important}.iphtech-form-hint-error{color:var(--iphtech-red)}.iphtech-callout{border-radius:0 var(--iphtech-radius-sm) var(--iphtech-radius-sm) 0;padding:.95rem 1.25rem;font-size:.83rem;color:var(--iphtech-ink-2);line-height:1.82;margin-bottom:10px;border-left:4px solid;border-right:1px solid;border-top:1px solid;border-bottom:1px solid}.iphtech-callout-info{background:var(--iphtech-brand-tint);border-color:var(--iphtech-brand) var(--iphtech-brand-border) var(--iphtech-brand-border) var(--iphtech-brand)}.iphtech-callout-success{background:var(--iphtech-green-tint);border-color:var(--iphtech-green) var(--iphtech-green-border) var(--iphtech-green-border) var(--iphtech-green)}.iphtech-callout-warning{background:var(--iphtech-amber-tint);border-color:var(--iphtech-amber) var(--iphtech-amber-border) var(--iphtech-amber-border) var(--iphtech-amber)}.iphtech-callout-danger{background:var(--iphtech-red-tint);border-color:var(--iphtech-red) var(--iphtech-red-border) var(--iphtech-red-border) var(--iphtech-red)}.iphtech-stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.iphtech-stat-card{background:var(--iphtech-surface-2);border:1px solid var(--iphtech-border);border-radius:var(--iphtech-radius-sm);padding:1.4rem 1rem;text-align:center;position:relative;overflow:hidden;transition:border-color var(--iphtech-duration),transform var(--iphtech-duration)}.iphtech-stat-card::after{content:'';position:absolute;bottom:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--iphtech-brand),#fff0)}.iphtech-stat-card:hover{border-color:var(--iphtech-brand-border);transform:translateY(-4px)}.iphtech-stat-number{font-family:var(--iphtech-font-heading);font-size:2rem;font-weight:900;color:var(--iphtech-brand);line-height:1;display:block;margin-bottom:.45rem;letter-spacing:-.02em}.iphtech-stat-description{font-size:.71rem;color:var(--iphtech-ink-3);line-height:1.45}.iphtech-guideline-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}.iphtech-guideline-card{background:var(--iphtech-surface-2);border:1px solid var(--iphtech-border);border-radius:var(--iphtech-radius-sm);padding:18px}.iphtech-guideline-icon{width:36px;height:36px;border-radius:9px;background:var(--iphtech-brand-tint);border:1px solid var(--iphtech-brand-border);display:flex;align-items:center;justify-content:center;font-size:1rem;margin-bottom:12px}.iphtech-guideline-title{font-size:.84rem;font-weight:700;color:var(--iphtech-ink);margin-bottom:6px}.iphtech-guideline-body{font-size:.76rem;color:var(--iphtech-ink-3);line-height:1.72}.iphtech-guideline-rule-highlight{border-left:3px solid var(--iphtech-brand);padding-left:12px;margin-top:10px;font-size:.73rem;color:var(--iphtech-ink-2);font-style:italic;line-height:1.6}.iphtech-device-preview-row{display:flex;align-items:flex-end;gap:18px;flex-wrap:wrap;margin-bottom:20px}.iphtech-device-frame{border:2px solid var(--iphtech-border-2);border-radius:12px;overflow:hidden;background:var(--iphtech-surface-3)}.iphtech-device-title-bar{height:10px;background:var(--iphtech-border);display:flex;align-items:center;gap:4px;padding:0 8px}.iphtech-device-title-dot{width:5px;height:5px;border-radius:50%;background:var(--iphtech-border-2)}.iphtech-device-screen{padding:8px 6px;display:flex;flex-direction:column;gap:4px}.iphtech-device-content-row{height:6px;border-radius:2px;background:var(--iphtech-border)}.iphtech-device-content-row-accent{background:var(--iphtech-blue-tint);border:1px solid var(--iphtech-blue-border)}.iphtech-device-label{font-size:.71rem;font-weight:700;color:var(--iphtech-ink-2);text-align:center;margin-top:8px}.iphtech-device-range{font-size:.63rem;font-family:var(--iphtech-font-mono);color:var(--iphtech-ink-4);text-align:center;margin-top:2px}.iphtech-bp-table-wrapper{overflow-x:auto;border-radius:var(--iphtech-radius-sm);border:1px solid var(--iphtech-border)}.iphtech-bp-table{width:100%;border-collapse:collapse;font-size:.82rem;min-width:580px}.iphtech-bp-table th{background:var(--iphtech-surface-3);padding:10px 14px;text-align:left;font-size:.66rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--iphtech-ink-4);border-bottom:1px solid var(--iphtech-border)}.iphtech-bp-table td{padding:10px 14px;border-bottom:1px solid var(--iphtech-border);color:var(--iphtech-ink-2);vertical-align:top}.iphtech-bp-table tr:last-child td{border-bottom:none}.iphtech-bp-table td:first-child{font-weight:600;color:var(--iphtech-ink)}.iphtech-bp-chip{display:inline-block;padding:2px 8px;border-radius:4px;font-size:.67rem;font-weight:700}.iphtech-bp-chip-mobile{background:var(--iphtech-red-tint);color:var(--iphtech-red)}.iphtech-bp-chip-tablet{background:var(--iphtech-amber-tint);color:var(--iphtech-amber)}.iphtech-bp-chip-desktop{background:var(--iphtech-blue-tint);color:var(--iphtech-blue-dark)}.iphtech-bp-chip-wide{background:var(--iphtech-green-tint);color:var(--iphtech-green)}.iphtech-utility-reference-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(255px,1fr));gap:12px}.iphtech-utility-reference-card{background:var(--iphtech-surface-2);border:1px solid var(--iphtech-border);border-radius:var(--iphtech-radius-sm);padding:13px 15px}.iphtech-utility-card-title{font-size:.71rem;font-weight:700;color:var(--iphtech-ink);margin-bottom:9px;padding-bottom:6px;border-bottom:1px solid var(--iphtech-border)}.iphtech-utility-reference-row{display:flex;justify-content:space-between;align-items:baseline;padding:3px 0;gap:8px}.iphtech-utility-class-name{font-family:var(--iphtech-font-mono);font-size:.67rem;color:var(--iphtech-brand)}.iphtech-utility-description{font-size:.67rem;color:var(--iphtech-ink-4);text-align:right}.iphtech-code-block-wrapper{position:relative;margin:12px 0}.iphtech-code-block{background:#050c1f;border:1px solid #1a2742;border-radius:var(--iphtech-radius-sm);padding:16px 20px;overflow-x:auto}.iphtech-code-block code{font-family:var(--iphtech-font-mono);font-size:.73rem;line-height:1.82;color:#c9d1e0;white-space:pre}.iphtech-code-block .iphtech-syntax-comment{color:#3d5a7a}.iphtech-code-block .iphtech-syntax-selector{color:#7fb3fa}.iphtech-code-block .iphtech-syntax-property{color:#60a5fa}.iphtech-code-block .iphtech-syntax-value{color:#ff9855}.iphtech-code-block .iphtech-syntax-string{color:#86efac}.iphtech-code-block .iphtech-syntax-punctuation{color:#64748b}.iphtech-copy-code-button{position:absolute;top:10px;right:10px;background:rgb(255 255 255 / .06);border:1px solid rgb(255 255 255 / .12);color:rgb(255 255 255 / .5);border-radius:var(--iphtech-radius-xs);padding:4px 10px;font-size:.64rem;font-weight:600;transition:all .15s}.iphtech-copy-code-button:hover{background:rgb(255 255 255 / .12);color:rgb(255 255 255 / .8)}.iphtech-show-mobile-only{display:none}.iphtech-flex{display:flex;gap:16px}.iphtech-flex-center{display:flex;align-items:center;justify-content:center}.iphtech-flex-between{display:flex;align-items:center;justify-content:space-between}.iphtech-flex-column{display:flex;flex-direction:column}.iphtech-flex-wrap{flex-wrap:wrap}.iphtech-text-brand{color:var(--iphtech-brand)}.iphtech-text-muted{color:var(--iphtech-ink-3)}.iphtech-text-mono{font-family:var(--iphtech-font-mono)}.iphtech-text-heading{font-family:var(--iphtech-font-heading)}.iphtech-text-center{text-align:center}.iphtech-surface-raised{background:var(--iphtech-surface);border:1px solid var(--iphtech-border);border-radius:var(--iphtech-radius-md)}.iphtech-brand-tint-bg{background:var(--iphtech-brand-tint);border:1px solid var(--iphtech-brand-border)}@media (min-width:481px) and (max-width:980px){:root{--iphtech-gutter:28px;--iphtech-section-y:60px;--iphtech-nav-height:60px}.iphtech-nav-links{display:none}.iphtech-hamburger-button{display:flex}.iphtech-nav-actions .iphtech-nav-cta-button{display:none}.iphtech-page-layout{display:block;padding:24px 0 56px}.iphtech-sidebar-panel{position:relative;top:auto;max-height:none;overflow:visible;margin-bottom:16px}.iphtech-toc-nav{flex-direction:row;flex-wrap:wrap;gap:4px}.iphtech-toc-nav a{border-left:none;border-bottom:2px solid #fff0;white-space:nowrap;font-size:.75rem}.iphtech-toc-nav a:hover,.iphtech-toc-nav a.is-active{border-left-color:#fff0;border-bottom-color:var(--iphtech-brand)}.iphtech-toc-heading{display:none}.iphtech-sidebar-cta-card{display:none}.iphtech-hero-section{padding:52px var(--iphtech-gutter) 44px}.iphtech-section-card{padding:24px 22px}.iphtech-stats-grid{grid-template-columns:repeat(2,1fr)}.iphtech-theme-preview-grid{grid-template-columns:1fr}.iphtech-swatch-grid{grid-template-columns:repeat(auto-fill,minmax(88px,1fr))}.iphtech-row-4-col,.iphtech-row-5-col,.iphtech-row-6-col,.iphtech-row-7-col,.iphtech-row-8-col{grid-template-columns:repeat(2,1fr)}.iphtech-row-3-col{grid-template-columns:repeat(2,1fr)}.iphtech-hide-on-tablet{display:none!important}.iphtech-show-mobile-only{display:none}}@media (max-width:480px){:root{--iphtech-gutter:16px;--iphtech-section-y:40px;--iphtech-nav-height:58px}.iphtech-nav-inner{padding:0 16px}.iphtech-nav-links{display:none}.iphtech-hamburger-button{display:flex}.iphtech-nav-actions .iphtech-nav-cta-button{display:none}.iphtech-theme-selector{font-size:.68rem;padding:4px 10px}.iphtech-hero-section{padding:44px 16px 36px}.iphtech-hero-heading{font-size:clamp(1.7rem, 8vw, 2.3rem)}.iphtech-hero-chip-row .iphtech-hero-chip:nth-child(n+3){display:none}.iphtech-page-layout{display:block;padding:16px 0 44px}.iphtech-sidebar-panel{position:relative;top:auto;max-height:none;overflow:visible;margin-bottom:14px}.iphtech-toc-nav{flex-direction:row;flex-wrap:nowrap;overflow-x:auto;gap:4px;padding-bottom:4px;-webkit-overflow-scrolling:touch}.iphtech-toc-nav::-webkit-scrollbar{height:2px}.iphtech-toc-nav::-webkit-scrollbar-thumb{background:var(--iphtech-brand-border);border-radius:2px}.iphtech-toc-nav a{border-left:none;border-bottom:2px solid #fff0;white-space:nowrap;font-size:.71rem;padding:5px 8px}.iphtech-toc-nav a:hover,.iphtech-toc-nav a.is-active{border-left-color:#fff0;border-bottom-color:var(--iphtech-brand)}.iphtech-toc-nav a .iphtech-toc-step-number{display:none}.iphtech-toc-heading{display:none}.iphtech-sidebar-cta-card{display:none}.iphtech-section-card{padding:18px 15px;border-radius:var(--iphtech-radius-sm)}.iphtech-section-title{font-size:1.15rem}.iphtech-section-description{font-size:.81rem}.iphtech-swatch-grid{grid-template-columns:repeat(2,1fr)}.iphtech-card-grid{grid-template-columns:1fr}.iphtech-form-grid{grid-template-columns:1fr}.iphtech-shadow-preview-grid{grid-template-columns:repeat(2,1fr)}.iphtech-utility-reference-grid{grid-template-columns:1fr}.iphtech-guideline-grid{grid-template-columns:1fr}.iphtech-theme-preview-grid{grid-template-columns:1fr}.iphtech-stats-grid{grid-template-columns:repeat(2,1fr)}.iphtech-stat-number{font-size:1.55rem}.iphtech-button-group{flex-direction:column;align-items:stretch}.iphtech-button-group .iphtech-button{justify-content:center}.iphtech-type-specimen-row{flex-direction:column}.iphtech-type-specimen-meta{text-align:left;min-width:0}.iphtech-spacing-preview-row .iphtech-spacing-item:nth-child(n+10){display:none}.iphtech-device-preview-row 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