/* ============================================================
   ASWIN BALAJI — App Landing Page Base Stylesheet
   Reproduces the portfolio design language for all app pages.
   Each app sets --app-accent / --app-accent-rgb in its own css/app.css
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

/* ─── CSS VARIABLES (from portfolio) ────────────────────────── */
:root {
  /* Backgrounds */
  --bg-primary:    #080B16;
  --bg-secondary:  #101629;
  --bg-card:       #141D32;
  --bg-card-hover: #18223A;
  --bg-glass:      rgba(20, 29, 50, 0.7);
  --bg-glass-light:rgba(255,255,255,0.04);

  /* Accents */
  --accent-blue:   #4F8CFF;
  --accent-cyan:   #00E5FF;
  --accent-violet: #9B6DFF;
  --accent-purple: #B69CFF;
  --accent-green:  #00F5A0;
  --accent-danger: #FF4D6D;

  /* Per-app accent (override in css/app.css) */
  --app-accent:     var(--accent-blue);
  --app-accent-rgb: 79,140,255;
  --app-accent-2:   var(--accent-violet);

  /* Text */
  --text-primary:  #F8FAFC;
  --text-secondary:#A5B1C5;
  --text-muted:    #6B7A99;

  /* Borders */
  --border-subtle: rgba(79,140,255,0.12);
  --border-glow:   rgba(79,140,255,0.3);
  --border-card:   rgba(255,255,255,0.06);

  /* Gradients */
  --grad-blue:   linear-gradient(135deg, #4F8CFF 0%, #00E5FF 100%);
  --grad-violet: linear-gradient(135deg, #9B6DFF 0%, #4F8CFF 100%);
  --grad-hero:   linear-gradient(135deg, #4F8CFF 0%, #9B6DFF 50%, #00E5FF 100%);
  --grad-text:   linear-gradient(135deg, var(--app-accent), var(--app-accent-2), #00E5FF);
  --grad-card:   linear-gradient(145deg, rgba(79,140,255,0.06) 0%, rgba(155,109,255,0.04) 100%);

  /* Shadows */
  --shadow-sm: 0 2px 12px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 40px rgba(var(--app-accent-rgb),0.15);
  --shadow-card: 0 4px 24px rgba(0,0,0,0.35), 0 0 1px rgba(79,140,255,0.15);

  /* Typography */
  --font-display:'Space Grotesk','Plus Jakarta Sans',sans-serif;
  --font-body:   'Inter',sans-serif;
  --font-ui:     'Plus Jakarta Sans','Inter',sans-serif;

  /* Spacing */
  --section-pad: 120px;
  --container-max: 1280px;

  /* Transitions */
  --trans-fast: 0.15s ease;
  --trans-base: 0.3s ease;
  --trans-slow: 0.6s cubic-bezier(0.16,1,0.3,1);

  /* Radii */
  --radius-sm:8px; --radius-md:16px; --radius-lg:24px; --radius-xl:32px; --radius-full:9999px;

  /* Z-index */
  --z-navbar:900; --z-cursor:9999; --z-loader:10000;
}

/* Light theme */
[data-theme="light"] {
  --bg-primary:#F0F4FF; --bg-secondary:#E8EEF8; --bg-card:#FFFFFF; --bg-card-hover:#F8FBFF;
  --bg-glass:rgba(255,255,255,0.8); --bg-glass-light:rgba(79,140,255,0.06);
  --text-primary:#0D1530; --text-secondary:#3D4F6B; --text-muted:#7A8BA8;
  --border-subtle:rgba(79,140,255,0.15); --border-card:rgba(79,140,255,0.12);
  --shadow-sm:0 2px 12px rgba(0,0,0,0.08); --shadow-md:0 8px 32px rgba(0,0,0,0.1);
  --shadow-lg:0 20px 60px rgba(0,0,0,0.12);
  --shadow-card:0 4px 24px rgba(0,0,0,0.08), 0 0 1px rgba(79,140,255,0.2);
}

/* ─── RESET & BASE ──────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;scroll-padding-top:80px;font-size:16px;}
body{background:var(--bg-primary);color:var(--text-primary);font-family:var(--font-body);line-height:1.7;overflow-x:hidden;-webkit-font-smoothing:antialiased;}
@media (prefers-reduced-motion: reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;}}
img{max-width:100%;height:auto;display:block;}
a{text-decoration:none;color:inherit;}
ul{list-style:none;}
button{cursor:pointer;border:none;background:none;font-family:inherit;}
input,textarea,select{font-family:inherit;}
::selection{background:rgba(var(--app-accent-rgb),0.3);color:var(--text-primary);}
::-webkit-scrollbar{width:6px;}
::-webkit-scrollbar-track{background:var(--bg-primary);}
::-webkit-scrollbar-thumb{background:var(--app-accent);border-radius:3px;}

/* ─── LAYOUT ────────────────────────────────────────────────── */
.container{max-width:var(--container-max);margin:0 auto;padding:0 24px;}
.section{padding:var(--section-pad) 0;position:relative;}
.section-alt{background:var(--bg-secondary);}
.section-alt::before{content:'';position:absolute;inset:0;background:var(--grad-card);opacity:.5;pointer-events:none;}

/* ─── TYPOGRAPHY ────────────────────────────────────────────── */
h1,h2,h3,h4,h5{font-family:var(--font-display);font-weight:700;line-height:1.2;color:var(--text-primary);}
.gradient-text{background:var(--grad-text);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}

/* ─── SECTION HEADER ────────────────────────────────────────── */
.section-header{text-align:center;margin-bottom:64px;}
.section-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 18px;background:rgba(var(--app-accent-rgb),0.1);border:1px solid rgba(var(--app-accent-rgb),0.25);border-radius:var(--radius-full);font-size:.75rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--app-accent);margin-bottom:20px;font-family:var(--font-ui);}
.section-title{font-size:clamp(2rem,4vw,3.2rem);font-family:var(--font-display);margin-bottom:16px;}
.section-subtitle{font-size:1.05rem;color:var(--text-secondary);max-width:640px;margin:0 auto;}

/* ─── BUTTONS ───────────────────────────────────────────────── */
.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 30px;background:var(--grad-blue);color:#fff;border-radius:var(--radius-full);font-family:var(--font-ui);font-weight:600;font-size:.95rem;transition:var(--trans-base);box-shadow:0 4px 20px rgba(79,140,255,.35);position:relative;overflow:hidden;}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(79,140,255,.5);}
.btn-secondary{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 30px;background:var(--bg-glass-light);color:var(--text-primary);border:1px solid var(--border-card);border-radius:var(--radius-full);font-family:var(--font-ui);font-weight:600;font-size:.95rem;transition:var(--trans-base);}
.btn-secondary:hover{border-color:var(--app-accent);color:var(--app-accent);transform:translateY(-2px);}
.btn-ghost{display:inline-flex;align-items:center;gap:8px;padding:12px 26px;background:transparent;color:var(--text-secondary);border:1px solid var(--border-card);border-radius:var(--radius-full);font-family:var(--font-ui);font-weight:500;font-size:.9rem;transition:var(--trans-base);}
.btn-ghost:hover{color:var(--app-accent);border-color:var(--app-accent);}
.btn-large{padding:16px 38px;font-size:1.05rem;}
.btn-primary svg,.btn-secondary svg{flex-shrink:0;}

/* ─── SCROLL PROGRESS ───────────────────────────────────────── */
.scroll-progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--grad-hero);z-index:calc(var(--z-navbar) + 1);transition:width .1s linear;border-radius:0 2px 2px 0;}

/* ─── CUSTOM CURSOR ─────────────────────────────────────────── */
.cursor-dot,.cursor-ring{position:fixed;top:0;left:0;border-radius:50%;pointer-events:none;z-index:var(--z-cursor);transform:translate(-50%,-50%);}
.cursor-dot{width:8px;height:8px;background:var(--app-accent);box-shadow:0 0 10px var(--app-accent);}
.cursor-ring{width:36px;height:36px;border:1.5px solid rgba(var(--app-accent-rgb),.5);transition:width .2s,height .2s,border-color .2s;}
.cursor-ring.hovered{width:56px;height:56px;border-color:var(--app-accent);background:rgba(var(--app-accent-rgb),.06);}
@media (max-width:992px){.cursor-dot,.cursor-ring{display:none;}}

/* ─── PRELOADER ─────────────────────────────────────────────── */
#preloader{position:fixed;inset:0;z-index:var(--z-loader);background:var(--bg-primary);display:flex;align-items:center;justify-content:center;transition:opacity .5s,visibility .5s;}
#preloader.hidden{opacity:0;visibility:hidden;pointer-events:none;}
.pl-bg-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(var(--app-accent-rgb),.06) 1px,transparent 1px),linear-gradient(90deg,rgba(var(--app-accent-rgb),.06) 1px,transparent 1px);background-size:40px 40px;mask-image:radial-gradient(circle at center,#000 0%,transparent 70%);-webkit-mask-image:radial-gradient(circle at center,#000 0%,transparent 70%);}
.pl-orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:.4;}
.pl-orb-1{width:340px;height:340px;background:var(--app-accent);top:10%;left:8%;}
.pl-orb-2{width:300px;height:300px;background:var(--app-accent-2);bottom:8%;right:10%;}
.pl-center{text-align:center;position:relative;z-index:2;}
.pl-logo-ring{width:120px;height:120px;margin:0 auto 28px;position:relative;}
.pl-ring-outer,.pl-ring-inner{position:absolute;inset:0;border-radius:50%;border:2px solid transparent;}
.pl-ring-outer{border-top-color:var(--app-accent);border-right-color:var(--app-accent);animation:plSpin 1.4s linear infinite;}
.pl-ring-inner{inset:14px;border-top-color:var(--app-accent-2);border-left-color:var(--app-accent-2);animation:plSpin 1s linear infinite reverse;}
.pl-logo-core{position:absolute;inset:28px;border-radius:50%;background:var(--grad-card);display:flex;align-items:center;justify-content:center;font-size:2rem;}
.pl-logo-core i{color:var(--app-accent);}
.pl-name{font-family:var(--font-display);font-weight:700;font-size:1.6rem;margin-bottom:6px;}
.pl-tagline{font-size:.85rem;color:var(--text-muted);margin-bottom:24px;}
.pl-progress-wrap{max-width:240px;margin:0 auto;}
.pl-progress-track{height:4px;background:rgba(var(--app-accent-rgb),.15);border-radius:var(--radius-full);overflow:hidden;}
.pl-progress-fill{height:100%;width:0;background:var(--grad-blue);border-radius:var(--radius-full);transition:width .2s;}
@keyframes plSpin{from{transform:rotate(0)}to{transform:rotate(360deg)}}

/* ─── NAVBAR ────────────────────────────────────────────────── */
.navbar{position:fixed;top:0;left:0;right:0;z-index:var(--z-navbar);padding:20px 0;transition:all var(--trans-base);}
.navbar.scrolled{padding:12px 0;background:rgba(8,11,22,.92);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border-subtle);box-shadow:var(--shadow-md);}
[data-theme="light"] .navbar.scrolled{background:rgba(240,244,255,.92);}
.nav-container{max-width:var(--container-max);margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:24px;}
.nav-logo{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-logo-icon{width:42px;height:42px;background:linear-gradient(135deg,var(--app-accent),var(--app-accent-2));border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.25rem;box-shadow:0 0 20px rgba(var(--app-accent-rgb),.3);flex-shrink:0;}
.nav-logo-icon i{color:#fff;}
.nav-logo-text{font-family:var(--font-display);font-weight:700;font-size:1.1rem;color:var(--text-primary);}
.nav-links{display:flex;align-items:center;gap:4px;flex:1;justify-content:center;}
.nav-link{padding:8px 14px;font-family:var(--font-ui);font-size:.875rem;font-weight:500;color:var(--text-secondary);border-radius:var(--radius-sm);transition:var(--trans-base);position:relative;white-space:nowrap;}
.nav-link::after{content:'';position:absolute;bottom:2px;left:50%;transform:translateX(-50%);width:0;height:2px;background:linear-gradient(135deg,var(--app-accent),var(--app-accent-2));border-radius:2px;transition:width var(--trans-base);}
.nav-link:hover,.nav-link.active{color:var(--text-primary);}
.nav-link:hover::after,.nav-link.active::after{width:60%;}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-cta{display:inline-flex;align-items:center;gap:8px;padding:10px 22px;background:linear-gradient(135deg,var(--app-accent),var(--app-accent-2));color:#fff;border-radius:var(--radius-full);font-family:var(--font-ui);font-weight:600;font-size:.875rem;transition:var(--trans-base);box-shadow:0 4px 16px rgba(var(--app-accent-rgb),.3);}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 6px 24px rgba(var(--app-accent-rgb),.45);}
.hamburger{display:none;flex-direction:column;gap:5px;width:32px;padding:4px;}
.hamburger span{display:block;height:2px;background:var(--text-primary);border-radius:2px;transition:var(--trans-base);}
.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{position:fixed;top:0;right:0;width:min(320px,85vw);height:100vh;background:var(--bg-secondary);border-left:1px solid var(--border-subtle);z-index:calc(var(--z-navbar) + 1);transform:translateX(100%);transition:transform var(--trans-base);padding:90px 28px 28px;display:flex;flex-direction:column;gap:8px;overflow-y:auto;}
.mobile-menu.open{transform:translateX(0);}
.mobile-menu ul{display:flex;flex-direction:column;gap:4px;}
.mobile-link{display:block;padding:12px 4px;font-family:var(--font-ui);font-weight:500;color:var(--text-secondary);border-bottom:1px solid var(--border-subtle);transition:var(--trans-base);}
.mobile-link:hover{color:var(--app-accent);padding-left:8px;}
.mobile-menu-close{position:absolute;top:24px;right:24px;width:40px;height:40px;border-radius:50%;background:var(--bg-glass-light);border:1px solid var(--border-card);color:var(--text-primary);font-size:1rem;display:flex;align-items:center;justify-content:center;}
.mobile-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);backdrop-filter:blur(4px);z-index:var(--z-navbar);opacity:0;visibility:hidden;transition:var(--trans-base);}
.mobile-overlay.open{opacity:1;visibility:visible;}
.mobile-cta{margin-top:18px;}

/* ─── HERO ───────────────────────────────────────────────────── */
.hero{min-height:100vh;display:flex;align-items:center;padding:120px 0 80px;position:relative;overflow:hidden;}
.hero-bg{position:absolute;inset:0;pointer-events:none;}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(var(--app-accent-rgb),.05) 1px,transparent 1px),linear-gradient(90deg,rgba(var(--app-accent-rgb),.05) 1px,transparent 1px);background-size:50px 50px;mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,#000 30%,transparent 80%);-webkit-mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,#000 30%,transparent 80%);}
.orb{position:absolute;border-radius:50%;filter:blur(90px);opacity:.35;}
.orb-1{width:420px;height:420px;background:var(--app-accent);top:-60px;right:8%;}
.orb-2{width:360px;height:360px;background:var(--app-accent-2);bottom:-80px;left:6%;}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center;position:relative;z-index:2;}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;background:rgba(var(--app-accent-rgb),.1);border:1px solid rgba(var(--app-accent-rgb),.25);border-radius:var(--radius-full);font-size:.8rem;font-weight:600;color:var(--app-accent);font-family:var(--font-ui);margin-bottom:24px;}
.hero h1{font-size:clamp(2.2rem,4.5vw,3.8rem);margin-bottom:20px;}
.hero-desc{font-size:1.1rem;color:var(--text-secondary);max-width:540px;margin-bottom:30px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:28px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.tag{display:inline-flex;align-items:center;gap:6px;padding:7px 16px;background:var(--bg-card);border:1px solid var(--border-card);border-radius:var(--radius-full);font-size:.82rem;color:var(--text-secondary);font-family:var(--font-ui);transition:var(--trans-base);}
.tag:hover{border-color:var(--app-accent);color:var(--text-primary);}

/* Phone mockup */
.hero-visual{position:relative;display:flex;justify-content:center;align-items:center;}
.phone-mockup{position:relative;width:300px;z-index:2;}
.phone-shell{position:relative;background:#000;border-radius:42px;padding:12px;box-shadow:var(--shadow-lg),0 0 60px rgba(var(--app-accent-rgb),.2);border:1px solid rgba(255,255,255,.08);}
.phone-shell::before{content:'';position:absolute;top:14px;left:50%;transform:translateX(-50%);width:120px;height:26px;background:#000;border-radius:0 0 16px 16px;z-index:3;}
.mock-screen{background:var(--bg-card);border-radius:32px;overflow:hidden;min-height:520px;display:flex;flex-direction:column;}
.float-node{position:absolute;background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:14px;padding:10px 16px;font-size:.82rem;font-weight:600;color:var(--text-primary);font-family:var(--font-ui);box-shadow:var(--shadow-md);display:flex;align-items:center;gap:8px;z-index:3;animation:plFloat 4s ease-in-out infinite;}
.fn-1{top:6%;left:-12%;}
.fn-2{bottom:18%;left:-16%;animation-delay:-1.2s;}
.fn-3{bottom:4%;right:-10%;animation-delay:-2.2s;}
@keyframes plFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}

/* ─── HIGHLIGHTS ────────────────────────────────────────────── */
.highlights{padding:70px 0;border-top:1px solid var(--border-subtle);border-bottom:1px solid var(--border-subtle);background:var(--bg-secondary);}
.highlights-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;}
.hl-item{display:flex;align-items:flex-start;gap:14px;padding:18px;border-radius:var(--radius-md);transition:var(--trans-base);}
.hl-item:hover{background:var(--bg-card);}
.hl-icon{font-size:1.6rem;flex-shrink:0;width:48px;height:48px;display:flex;align-items:center;justify-content:center;background:rgba(var(--app-accent-rgb),.1);border-radius:12px;}
.hl-item strong{display:block;font-family:var(--font-display);font-size:.98rem;margin-bottom:2px;}
.hl-item span{font-size:.85rem;color:var(--text-muted);}

/* ─── FEATURES GRID ─────────────────────────────────────────── */
.features-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px;}
.feature-card{background:var(--bg-card);border:1px solid var(--border-card);border-radius:var(--radius-lg);padding:30px;transition:var(--trans-base);position:relative;overflow:hidden;}
.feature-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--app-accent),var(--app-accent-2));transform:scaleX(0);transform-origin:left;transition:transform var(--trans-base);}
.feature-card:hover{transform:translateY(-6px);border-color:rgba(var(--app-accent-rgb),.3);box-shadow:var(--shadow-lg);background:var(--bg-card-hover);}
.feature-card:hover::before{transform:scaleX(1);}
.feat-icon{width:56px;height:56px;border-radius:16px;background:rgba(var(--app-accent-rgb),.1);display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:18px;}
.feature-card h3{font-size:1.2rem;margin-bottom:10px;}
.feature-card p{font-size:.92rem;color:var(--text-secondary);}

/* Topics / generic card grid */
.cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px;}
.card-tile{background:var(--bg-card);border:1px solid var(--border-card);border-radius:var(--radius-lg);padding:28px;transition:var(--trans-base);}
.card-tile:hover{transform:translateY(-6px);border-color:rgba(var(--app-accent-rgb),.3);box-shadow:var(--shadow-md);}
.card-tile .tc-icon{font-size:2rem;margin-bottom:14px;}
.card-tile h3{font-size:1.1rem;margin-bottom:8px;}
.card-tile p{font-size:.9rem;color:var(--text-secondary);}

/* ─── SHOWCASE ROWS ──────────────────────────────────────────── */
.showcase-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;margin-bottom:90px;}
.showcase-row:last-child{margin-bottom:0;}
.showcase-row.reverse .showcase-visual{order:2;}
.sc-tag{display:inline-block;padding:6px 16px;background:rgba(var(--app-accent-rgb),.1);border:1px solid rgba(var(--app-accent-rgb),.25);border-radius:var(--radius-full);font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--app-accent);margin-bottom:18px;font-family:var(--font-ui);}
.showcase-content h3{font-size:clamp(1.5rem,3vw,2rem);margin-bottom:16px;}
.showcase-content p{color:var(--text-secondary);margin-bottom:20px;}
.sc-list{display:flex;flex-direction:column;gap:12px;}
.sc-list li{display:flex;align-items:flex-start;gap:12px;color:var(--text-secondary);font-size:.95rem;}
.sc-list li::before{content:'✓';color:var(--app-accent);font-weight:700;flex-shrink:0;margin-top:2px;}
.showcase-visual{display:flex;justify-content:center;}
.sc-vis-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow-lg);max-width:380px;width:100%;}

/* ─── SCREENSHOTS ───────────────────────────────────────────── */
.screenshots-row{display:flex;justify-content:center;gap:28px;flex-wrap:wrap;}
.screenshot-frame{text-align:center;}
.screenshot-frame.featured{transform:translateY(-20px);}
.phone-frame{width:230px;background:#000;border-radius:36px;padding:10px;box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,.08);margin:0 auto 16px;}
.phone-screen-ss{background:var(--bg-card);border-radius:28px;overflow:hidden;min-height:440px;}
.screenshot-frame p{font-family:var(--font-ui);font-weight:600;color:var(--text-secondary);font-size:.9rem;}

/* ─── HOW IT WORKS / STEPS ──────────────────────────────────── */
.steps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px;}
.step{background:var(--bg-card);border:1px solid var(--border-card);border-radius:var(--radius-lg);padding:30px;position:relative;transition:var(--trans-base);}
.step:hover{transform:translateY(-6px);border-color:rgba(var(--app-accent-rgb),.3);box-shadow:var(--shadow-md);}
.step-num{position:absolute;top:18px;right:22px;font-family:var(--font-display);font-size:2.4rem;font-weight:800;color:rgba(var(--app-accent-rgb),.12);}
.step-icon{font-size:2rem;margin-bottom:14px;}
.step h3{font-size:1.1rem;margin-bottom:8px;}
.step p{font-size:.9rem;color:var(--text-secondary);}

/* ─── FAQ ───────────────────────────────────────────────────── */
.faq-list{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{background:var(--bg-card);border:1px solid var(--border-card);border-radius:var(--radius-md);overflow:hidden;transition:var(--trans-base);}
.faq-item:hover{border-color:rgba(var(--app-accent-rgb),.25);}
.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 24px;font-family:var(--font-display);font-weight:600;font-size:1.02rem;color:var(--text-primary);text-align:left;}
.faq-icon{flex-shrink:0;width:28px;height:28px;border-radius:50%;background:rgba(var(--app-accent-rgb),.1);color:var(--app-accent);display:flex;align-items:center;justify-content:center;font-size:1.1rem;transition:transform var(--trans-base);font-weight:400;}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-answer{max-height:0;overflow:hidden;transition:max-height var(--trans-base);}
.faq-answer p{padding:0 24px 22px;color:var(--text-secondary);font-size:.94rem;}

/* ─── FINAL CTA ─────────────────────────────────────────────── */
.final-cta{padding:var(--section-pad) 0;}
.cta-box{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);padding:64px 40px;text-align:center;position:relative;overflow:hidden;max-width:860px;margin:0 auto;}
.cta-box::before{content:'';position:absolute;top:-50%;left:50%;transform:translateX(-50%);width:600px;height:600px;background:radial-gradient(circle,rgba(var(--app-accent-rgb),.15),transparent 60%);pointer-events:none;}
.cta-icon{font-size:3rem;margin-bottom:20px;position:relative;}
.cta-box h2{font-size:clamp(1.6rem,3.5vw,2.4rem);margin-bottom:14px;position:relative;}
.cta-box p{color:var(--text-secondary);max-width:520px;margin:0 auto 28px;position:relative;}

/* ─── FOOTER ────────────────────────────────────────────────── */
.footer{background:var(--bg-secondary);border-top:1px solid var(--border-subtle);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;margin-bottom:40px;}
.footer-brand{max-width:340px;}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-logo-icon{width:38px;height:38px;background:linear-gradient(135deg,var(--app-accent),var(--app-accent-2));border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1.1rem;}
.footer-logo-name{font-family:var(--font-display);font-weight:700;font-size:1.1rem;}
.footer-desc{font-size:.875rem;color:var(--text-secondary);margin-bottom:18px;}
.footer-col-title{font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);font-weight:700;margin-bottom:16px;font-family:var(--font-ui);}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-link{font-size:.875rem;color:var(--text-secondary);transition:var(--trans-base);}
.footer-link:hover{color:var(--app-accent);transform:translateX(4px);}
.footer-bottom{border-top:1px solid var(--border-subtle);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;}
.footer-copy{font-size:.82rem;color:var(--text-muted);}
.footer-copy span{color:var(--app-accent);font-weight:600;}

/* ─── BACK TO TOP ───────────────────────────────────────────── */
#backToTop{position:fixed;bottom:30px;right:30px;width:46px;height:46px;background:var(--grad-blue);color:#fff;border-radius:14px;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px rgba(79,140,255,.4);transition:var(--trans-base);opacity:0;visibility:hidden;transform:translateY(20px);z-index:500;}
#backToTop.visible{opacity:1;visibility:visible;transform:translateY(0);}
#backToTop:hover{transform:translateY(-4px);box-shadow:0 8px 28px rgba(79,140,255,.55);}

/* ─── REVEAL ANIMATION ──────────────────────────────────────── */
[data-reveal]{opacity:0;transform:translateY(30px);transition:opacity .7s var(--trans-slow),transform .7s var(--trans-slow);}
[data-reveal].revealed{opacity:1;transform:translateY(0);}

/* ─── RESPONSIVE ────────────────────────────────────────────── */
@media (max-width:1024px){
  :root{--section-pad:80px;}
  .nav-links{display:none;}
  .hamburger{display:flex;}
  .nav-cta{display:none;}
  .hero-inner{grid-template-columns:1fr;gap:48px;}
  .hero-visual{order:-1;}
  .phone-mockup{width:260px;}
  .showcase-row{grid-template-columns:1fr;gap:32px;margin-bottom:64px;}
  .showcase-row.reverse .showcase-visual{order:0;}
  .screenshot-frame.featured{transform:none;}
}
@media (max-width:640px){
  :root{--section-pad:64px;}
  .container{padding:0 18px;}
  .hero{padding:100px 0 60px;}
  .hero h1{font-size:2rem;}
  .phone-mockup{width:230px;}
  .float-node{display:none;}
  .cta-box{padding:40px 24px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
}

/* ─── PHONE MOCKUP UTILITIES (generic, reusable per app) ────── */
.mock-bar{display:flex;justify-content:space-between;align-items:center;padding:14px 18px 10px;font-family:var(--font-ui);font-weight:700;font-size:.95rem;border-bottom:1px solid var(--border-subtle);}
.mock-bar .mock-badge{font-size:.62rem;font-weight:600;color:var(--app-accent);background:rgba(var(--app-accent-rgb),.12);padding:3px 9px;border-radius:var(--radius-full);}
.mock-tiles{display:flex;flex-direction:column;gap:10px;padding:16px 14px;flex:1;}
.mock-tile{display:flex;align-items:center;gap:12px;padding:12px;background:rgba(255,255,255,.03);border:1px solid var(--border-card);border-radius:14px;transition:var(--trans-base);}
.mock-tile.active{border-color:rgba(var(--app-accent-rgb),.4);background:rgba(var(--app-accent-rgb),.07);}
.mock-tile-ic{font-size:1.2rem;flex-shrink:0;width:34px;height:34px;display:flex;align-items:center;justify-content:center;background:rgba(var(--app-accent-rgb),.1);border-radius:10px;}
.mock-tile-txt{flex:1;}
.mock-tile-name{font-size:.82rem;font-weight:600;font-family:var(--font-ui);}
.mock-mbar{height:5px;border-radius:var(--radius-full);background:rgba(var(--app-accent-rgb),.15);overflow:hidden;margin-top:5px;}
.mock-mbar > div{height:100%;background:linear-gradient(90deg,var(--app-accent),var(--app-accent-2));border-radius:var(--radius-full);}
.mock-card{margin:12px 14px;padding:14px;background:rgba(255,255,255,.03);border:1px solid var(--border-card);border-radius:14px;}
.mock-card .mc-label{font-size:.66rem;font-weight:700;color:var(--app-accent);text-transform:uppercase;letter-spacing:.06em;margin-bottom:6px;font-family:var(--font-ui);}
.mock-card .mc-q{font-size:.82rem;font-weight:600;margin-bottom:8px;font-family:var(--font-ui);}
.mock-opts{display:flex;flex-direction:column;gap:6px;}
.mock-opt{font-size:.76rem;padding:7px 10px;background:rgba(255,255,255,.03);border:1px solid var(--border-card);border-radius:10px;color:var(--text-secondary);font-family:var(--font-ui);}
.mock-opt.correct{border-color:rgba(var(--app-accent-rgb),.45);background:rgba(var(--app-accent-rgb),.1);color:var(--text-primary);}
.mock-note{padding:14px 18px;font-size:.78rem;color:var(--text-secondary);line-height:1.6;}
.mock-example{margin:8px 14px;padding:10px 12px;font-size:.74rem;background:rgba(var(--app-accent-rgb),.08);border-radius:10px;color:var(--text-secondary);}
.mock-prompt{margin:10px 14px;padding:9px;text-align:center;font-size:.78rem;font-weight:600;color:var(--app-accent);font-family:var(--font-ui);}
.mock-prog-row{display:flex;align-items:center;gap:10px;padding:8px 14px;font-size:.76rem;font-family:var(--font-ui);color:var(--text-secondary);}
.mock-pbar{flex:1;height:6px;border-radius:var(--radius-full);background:rgba(var(--app-accent-rgb),.15);overflow:hidden;}
.mock-pbar > div{height:100%;background:linear-gradient(90deg,var(--app-accent),var(--app-accent-2));border-radius:var(--radius-full);}
.mock-pct{font-weight:700;color:var(--text-primary);width:34px;text-align:right;}
.mock-streak{margin:10px 14px;padding:8px 12px;font-size:.78rem;font-weight:600;text-align:center;background:rgba(255,140,66,.1);border-radius:10px;color:#FF8C42;font-family:var(--font-ui);}
/* Screenshot screen content (reuses mock utilities) */
.phone-screen-ss .ss-inner{padding:14px 12px;display:flex;flex-direction:column;gap:10px;}
.phone-screen-ss .ss-bar{display:flex;justify-content:space-between;align-items:center;font-family:var(--font-ui);font-weight:700;font-size:.8rem;padding-bottom:8px;border-bottom:1px solid var(--border-subtle);}
.ss-tile{padding:10px 12px;font-size:.78rem;font-weight:600;font-family:var(--font-ui);border-radius:12px;background:rgba(var(--app-accent-rgb),.07);border:1px solid var(--border-card);}
.ss-note-block{font-size:.74rem;line-height:1.6;color:var(--text-secondary);padding:10px 12px;background:rgba(255,255,255,.03);border-radius:12px;border:1px solid var(--border-card);}

/* ─── THEME TOGGLE (ported from portfolio) ─────────────────── */
.theme-toggle{width:40px;height:40px;border-radius:50%;background:var(--bg-glass-light);border:1px solid var(--border-card);color:var(--text-secondary);font-size:1rem;transition:var(--trans-base);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.theme-toggle:hover{background:rgba(var(--app-accent-rgb),.1);border-color:var(--app-accent);color:var(--app-accent);}
.theme-toggle i{transition:transform var(--trans-base);}
.theme-toggle:hover i{transform:rotate(20deg);}

/* ─── HERO PARTICLES (ported from portfolio) ──────────────── */
#particles{position:absolute;inset:0;overflow:hidden;pointer-events:none;}
.particle{position:absolute;border-radius:50%;animation:particleFloat linear infinite;top:100%;}
@keyframes particleFloat{0%{transform:translateY(0) rotate(0deg);opacity:0;}10%{opacity:1;}90%{opacity:.5;}100%{transform:translateY(-110vh) rotate(720deg);opacity:0;}}

/* ─── MAGNETIC BUTTONS ─────────────────────────────────────── */
.magnetic{will-change:transform;}

/* ─── ENHANCED PRELOADER EXTRAS (ported from portfolio) ───── */
.pl-chips{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-bottom:28px;animation:plFadeUp .6s .45s ease both;}
.pl-chip{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;background:rgba(var(--app-accent-rgb),.08);border:1px solid rgba(var(--app-accent-rgb),.2);border-radius:99px;font-size:.72rem;font-family:var(--font-ui);font-weight:600;color:var(--text-secondary);letter-spacing:.04em;}
.pl-chip i{font-size:.68rem;color:var(--app-accent);}
.pl-dots{position:absolute;bottom:28px;left:50%;transform:translateX(-50%);display:flex;gap:6px;z-index:2;}
.pl-dot{width:6px;height:6px;border-radius:50%;background:rgba(var(--app-accent-rgb),.3);animation:plDotPulse 1.4s ease-in-out infinite;}
.pl-dot:nth-child(2){animation-delay:.2s;}
.pl-dot:nth-child(3){animation-delay:.4s;}
@keyframes plDotPulse{0%,100%{background:rgba(var(--app-accent-rgb),.3);transform:scale(1);}50%{background:var(--app-accent);transform:scale(1.4);}}
@keyframes plFadeUp{from{opacity:0;transform:translateY(14px);}to{opacity:1;transform:translateY(0);}}
/* Floating icons around the loader ring */
.pl-float-icons{position:absolute;inset:-16px;animation:plSpin 10s linear infinite reverse;}
.pl-fi{position:absolute;width:28px;height:28px;border-radius:50%;background:rgba(10,15,30,.9);border:1px solid rgba(var(--app-accent-rgb),.3);display:flex;align-items:center;justify-content:center;font-size:.72rem;color:var(--app-accent);box-shadow:0 0 10px rgba(var(--app-accent-rgb),.2);animation:plSpin 10s linear infinite;}
.pl-fi:nth-child(1){top:0;left:50%;transform:translate(-50%,-50%);color:#3DDC84;}
.pl-fi:nth-child(2){right:0;top:50%;transform:translate(50%,-50%);color:var(--accent-violet);}
.pl-fi:nth-child(3){bottom:0;left:50%;transform:translate(-50%,50%);color:var(--accent-cyan);}
.pl-fi:nth-child(4){left:0;top:50%;transform:translate(-50%,-50%);color:#FF8C42;}