/* =====================================================================
   Diskwala API Platform — Main Stylesheet
   Dark mode (default) + Light mode toggle, gradients, animations, particles
   Powered By AK REVOLUTION DEVELOPMENT
   ===================================================================== */

:root{
  --bg:#080B14;
  --bg2:#0E1320;
  --card:#141A29;
  --card2:#1A2134;
  --accent:#22C55E;
  --accent2:#86EFAC;
  --highlight:#4ADE80;
  --success:#22C55E;
  --warning:#F59E0B;
  --error:#EF4444;
  --text:#F8FAFC;
  --text2:#94A3B8;
  --border:#252D3D;
  --grad:linear-gradient(90deg,#16A34A,#22C55E,#86EFAC);
  --grad2:linear-gradient(135deg,#15803D,#22C55E,#86EFAC);
  --shadow:0 10px 40px rgba(0,0,0,.5);
  --radius:16px;
  --transition:.3s cubic-bezier(.4,0,.2,1);
  --glass:rgba(20,26,41,.7);
  --input-bg:#0E1320;
  --navbar-bg:rgba(8,11,20,.8);
}

/* Light theme (default per requirement: light mode is default) */
[data-theme="light"]{
  --bg:#f4f6fb;
  --bg2:#ffffff;
  --card:#ffffff;
  --card2:#eef1f8;
  --accent:#16A34A;
  --accent2:#22C55E;
  --highlight:#4ADE80;
  --text:#0f172a;
  --text2:#5b6478;
  --border:#e2e8f0;
  --grad:linear-gradient(90deg,#15803D,#22C55E,#86EFAC);
  --grad2:linear-gradient(135deg,#166534,#22C55E,#4ADE80);
  --shadow:0 10px 30px rgba(30,40,90,.08);
  --glass:rgba(255,255,255,.75);
  --input-bg:#ffffff;
  --navbar-bg:rgba(255,255,255,.85);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Inter','Segoe UI',system-ui,-apple-system,sans-serif;
  line-height:1.6;
  overflow-x:hidden;
  transition:background var(--transition),color var(--transition);
}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.container{width:min(1200px,92%);margin:0 auto}
.hidden{display:none!important}

/* ===== Scrollbar ===== */
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--bg2)}
::-webkit-scrollbar-thumb{background:linear-gradient(var(--accent),var(--accent2));border-radius:10px}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 26px;border-radius:12px;font-weight:600;font-size:15px;
  cursor:pointer;border:1px solid transparent;transition:var(--transition);
  position:relative;overflow:hidden;white-space:nowrap;
}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 8px 24px rgba(34,197,94,.35)}
.btn-grad:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(134,239,172,.4)}
.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-outline{background:transparent;border:1px solid var(--accent);color:var(--accent)}
.btn-outline:hover{background:var(--accent);color:#fff}
.btn-danger{background:var(--error);color:#fff}
.btn-success{background:var(--success);color:#fff}
.btn-sm{padding:8px 16px;font-size:13px}
.btn:active{transform:scale(.97)}

/* ===== Navbar ===== */
.navbar{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:var(--navbar-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);transition:var(--transition);
}
.navbar.scrolled{box-shadow:0 6px 30px rgba(0,0,0,.25)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px}
.logo-icon{
  width:40px;height:40px;border-radius:12px;background:var(--grad);
  display:grid;place-items:center;color:#fff;font-weight:900;box-shadow:0 6px 18px rgba(34,197,94,.5);
}
.logo span b{background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{font-weight:500;font-size:14.5px;color:var(--text2);position:relative;transition:color var(--transition)}
.nav-links a:hover,.nav-links a.active{color:var(--text)}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;
  background:var(--grad);transition:width var(--transition);border-radius:2px;
}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-actions{display:flex;align-items:center;gap:12px}

/* Theme toggle */
.theme-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--border);
  background:var(--card);color:var(--text);cursor:pointer;font-size:18px;
  display:grid;place-items:center;transition:var(--transition);position:relative;
}
.theme-toggle:hover{border-color:var(--accent);transform:rotate(15deg)}
.theme-toggle .sun{display:none}
[data-theme="light"] .theme-toggle .sun{display:block}
[data-theme="light"] .theme-toggle .moon{display:none}

/* Mobile menu */
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:10px}
.burger span{width:24px;height:2.5px;background:var(--text);border-radius:3px;transition:var(--transition)}
.burger.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* ===== Particles canvas ===== */
#particles{position:fixed;inset:0;z-index:0;pointer-events:none}
main,.hero-content,.section{position:relative;z-index:1}

/* ===== Hero ===== */
.hero{
  min-height:92vh;display:flex;align-items:center;position:relative;overflow:hidden;
  padding:120px 0 80px;
}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(circle at 20% 20%,rgba(34,197,94,.18),transparent 45%),
    radial-gradient(circle at 80% 30%,rgba(134,239,172,.15),transparent 45%),
    radial-gradient(circle at 50% 80%,rgba(74,222,128,.12),transparent 50%);
}
.hero-grid{
  position:absolute;inset:0;z-index:0;opacity:.5;
  background-image:linear-gradient(var(--border) 1px,transparent 1px),linear-gradient(90deg,var(--border) 1px,transparent 1px);
  background-size:60px 60px;
  mask-image:radial-gradient(circle at 50% 40%,#000,transparent 75%);
  -webkit-mask-image:radial-gradient(circle at 50% 40%,#000,transparent 75%);
}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center;width:100%}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:8px 18px;border-radius:50px;
  border:1px solid var(--border);background:var(--glass);font-size:13px;color:var(--accent2);
  backdrop-filter:blur(8px);margin-bottom:24px;animation:fadeUp .8s .1s both;
}
.pulse-dot{width:8px;height:8px;border-radius:50%;background:var(--success);animation:pulse 1.8s infinite}
.hero h1{
  font-size:clamp(2.2rem,5vw,3.8rem);font-weight:800;line-height:1.15;margin-bottom:20px;
  animation:fadeUp .8s .2s both;
}
.gradient-text{
  background:var(--grad2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-size:200% 200%;animation:gradShift 6s ease infinite;
}
.hero p{font-size:clamp(1rem,2vw,1.2rem);color:var(--text2);max-width:560px;margin-bottom:30px;animation:fadeUp .8s .3s both}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;animation:fadeUp .8s .4s both}
.hero-stats{display:flex;gap:40px;margin-top:48px;flex-wrap:wrap;animation:fadeUp .8s .5s both}
.stat .num{font-size:clamp(1.6rem,3vw,2.2rem);font-weight:800;background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.stat .lbl{font-size:13px;color:var(--text2)}

/* Hero visual */
.hero-visual{position:relative;animation:float 6s ease-in-out infinite}
.code-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:hidden;transform:perspective(1000px) rotateY(-8deg) rotateX(4deg);
  transition:var(--transition);
}
.code-card:hover{transform:perspective(1000px) rotateY(0) rotateX(0)}
.code-head{display:flex;align-items:center;gap:8px;padding:14px 18px;background:var(--bg2);border-bottom:1px solid var(--border)}
.code-dot{width:12px;height:12px;border-radius:50%}
.code-body{padding:20px;font-family:'Fira Code',monospace;font-size:13px;color:#a8e6cf;line-height:1.8}
.code-body .k{color:#4ADE80}
.code-body .s{color:#22C55E}
.code-body .n{color:#F59E0B}
.code-body .c{color:var(--text2)}
.floating-chip{
  position:absolute;background:var(--glass);border:1px solid var(--border);border-radius:12px;
  padding:10px 16px;font-size:13px;backdrop-filter:blur(10px);box-shadow:var(--shadow);
  display:flex;align-items:center;gap:8px;
}
.chip-1{top:-20px;right:-20px;animation:float 5s ease-in-out infinite}
.chip-2{bottom:-20px;left:-20px;animation:float 6s .5s ease-in-out infinite}
.chip-3{top:50%;left:-50px;animation:float 7s .8s ease-in-out infinite}

/* ===== Sections ===== */
.section{padding:100px 0}
.section-head{text-align:center;max-width:700px;margin:0 auto 60px}
.eyebrow{
  display:inline-block;padding:6px 16px;border-radius:50px;font-size:12px;font-weight:700;
  letter-spacing:1.5px;text-transform:uppercase;color:var(--accent2);border:1px solid var(--border);
  background:var(--glass);margin-bottom:16px;
}
.section-head h2{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800;margin-bottom:14px}
.section-head p{color:var(--text2);font-size:1.05rem}

/* ===== Features ===== */
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.feature-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:30px;transition:var(--transition);position:relative;overflow:hidden;
}
.feature-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .4s;
}
.feature-card:hover{transform:translateY(-8px);border-color:var(--accent);box-shadow:var(--shadow)}
.feature-card:hover::before{transform:scaleX(1)}
.feature-icon{
  width:58px;height:58px;border-radius:14px;background:var(--grad);display:grid;place-items:center;
  font-size:26px;margin-bottom:20px;box-shadow:0 8px 20px rgba(34,197,94,.35);
}
.feature-card h3{font-size:1.15rem;margin-bottom:10px}
.feature-card p{color:var(--text2);font-size:.95rem}

/* ===== Plans / Pricing ===== */
.plans-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:24px;align-items:stretch}
.plan-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:34px 28px;display:flex;flex-direction:column;transition:var(--transition);position:relative;overflow:hidden;
}
.plan-card:hover{transform:translateY(-10px);box-shadow:var(--shadow)}
.plan-card.featured{
  border:2px solid transparent;
  background:linear-gradient(var(--card),var(--card)) padding-box,var(--grad2) border-box;
  transform:scale(1.04);
}
.plan-card.featured:hover{transform:scale(1.06) translateY(-6px)}
.plan-badge{
  position:absolute;top:18px;right:-32px;transform:rotate(45deg);
  background:var(--grad);color:#fff;font-size:11px;font-weight:700;padding:6px 40px;letter-spacing:1px;
}
.plan-name{font-size:1.3rem;font-weight:700}
.plan-credits{font-size:.95rem;color:var(--text2);margin-bottom:16px}
.plan-price{font-size:2.6rem;font-weight:800;margin:10px 0;background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.plan-price small{font-size:.9rem;-webkit-text-fill-color:var(--text2)}
.plan-desc{color:var(--text2);font-size:.9rem;margin-bottom:20px}
.plan-features{list-style:none;margin-bottom:26px;flex:1}
.plan-features li{display:flex;gap:10px;padding:7px 0;font-size:.92rem;align-items:flex-start}
.plan-features li .tick{color:var(--success);font-weight:900;flex-shrink:0}
.plan-percredit{font-size:.8rem;color:var(--text2);margin-bottom:14px}

/* ===== How it works ===== */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:24px;counter-reset:step}
.step{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:34px 26px;
  position:relative;transition:var(--transition);text-align:center;
}
.step:hover{transform:translateY(-8px);border-color:var(--accent)}
.step-num{
  width:56px;height:56px;border-radius:50%;background:var(--grad);color:#fff;font-weight:800;font-size:1.4rem;
  display:grid;place-items:center;margin:0 auto 18px;box-shadow:0 8px 20px rgba(34,197,94,.4);
}
.step h3{font-size:1.1rem;margin-bottom:8px}
.step p{color:var(--text2);font-size:.9rem}

/* ===== API / Integration ===== */
.api-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}
.api-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:var(--transition)}
.api-card:hover{transform:translateY(-6px);border-color:var(--accent2)}
.api-card h3{font-size:1.05rem;margin-bottom:10px;display:flex;align-items:center;gap:10px}
.api-method{
  font-size:.75rem;font-weight:800;padding:4px 10px;border-radius:6px;color:#fff;
  background:var(--success);letter-spacing:.5px;
}
.api-method.get{background:var(--accent2)}
.api-method.post{background:var(--accent)}
.api-card code{display:block;background:var(--bg2);padding:12px;border-radius:8px;font-size:.85rem;color:#a8e6cf;margin-top:10px;word-break:break-all}

/* ===== Testimonials ===== */
.testi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.testi{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;
  transition:var(--transition);position:relative;
}
.testi:hover{transform:translateY(-6px);border-color:var(--highlight)}
.testi-stars{color:var(--warning);margin-bottom:14px;font-size:1.1rem}
.testi p{color:var(--text2);font-size:.95rem;margin-bottom:18px}
.testi-user{display:flex;align-items:center;gap:12px}
.avatar{width:44px;height:44px;border-radius:50%;background:var(--grad);display:grid;place-items:center;font-weight:800;color:#fff}
.testi-user b{display:block;font-size:.95rem}
.testi-user span{font-size:.8rem;color:var(--text2)}

/* ===== CTA band ===== */
.cta-band{
  background:var(--grad2);border-radius:var(--radius);padding:60px;text-align:center;position:relative;overflow:hidden;
  box-shadow:0 20px 60px rgba(34,197,94,.4);
}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 20%,rgba(255,255,255,.25),transparent 50%)}
.cta-band h2{font-size:clamp(1.6rem,3.5vw,2.5rem);color:#fff;font-weight:800;margin-bottom:14px;position:relative}
.cta-band p{color:rgba(255,255,255,.9);margin-bottom:28px;position:relative}
.cta-band .btn{background:#fff;color:#16A34A;position:relative}
.cta-band .btn:hover{transform:translateY(-2px)}

/* ===== FAQ ===== */
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:12px;margin-bottom:14px;overflow:hidden;transition:var(--transition)}
.faq-item.open{border-color:var(--accent)}
.faq-q{padding:20px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600}
.faq-q .icon{font-size:1.3rem;color:var(--accent);transition:transform var(--transition)}
.faq-item.open .faq-q .icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease;color:var(--text2);font-size:.95rem}
.faq-a p{padding:0 24px 22px}

/* ===== Footer ===== */
.footer{background:var(--bg2);border-top:1px solid var(--border);padding:70px 0 30px;position:relative;overflow:hidden}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:50px}
.footer h4{font-size:1.05rem;margin-bottom:18px}
.footer ul{list-style:none}
.footer ul li{margin-bottom:12px}
.footer ul a{color:var(--text2);font-size:.92rem;transition:color var(--transition)}
.footer ul a:hover{color:var(--accent2)}
.footer-about p{color:var(--text2);font-size:.92rem;margin:16px 0}
.socials{display:flex;gap:12px}
.socials a{
  width:40px;height:40px;border-radius:10px;background:var(--card);border:1px solid var(--border);
  display:grid;place-items:center;color:var(--text2);transition:var(--transition);font-size:18px;
}
.socials a:hover{background:var(--grad);color:#fff;transform:translateY(-3px)}
.footer-bottom{border-top:1px solid var(--border);padding-top:26px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
.footer-bottom p{color:var(--text2);font-size:.85rem}
.powered{font-size:.9rem}
.powered b{background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent}

/* ===== Auth pages ===== */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:100px 20px 40px;position:relative}
.auth-card{
  background:var(--card);border:1px solid var(--border);border-radius:20px;width:min(460px,100%);
  padding:40px;box-shadow:var(--shadow);position:relative;z-index:2;animation:fadeUp .6s both;
}
.auth-logo{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:10px;font-weight:800;font-size:22px}
.auth-card h2{text-align:center;margin-bottom:6px;font-size:1.6rem}
.auth-sub{text-align:center;color:var(--text2);font-size:.9rem;margin-bottom:28px}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-size:.85rem;font-weight:600;margin-bottom:8px}
.form-control{
  width:100%;padding:13px 16px;border-radius:12px;border:1px solid var(--border);
  background:var(--input-bg);color:var(--text);font-size:1rem;transition:var(--transition);
  font-family:inherit;
}
.form-control:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(34,197,94,.2)}
.input-icon-wrap{position:relative}
.input-icon-wrap .form-control{padding-left:44px}
.input-icon-wrap .ico{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:var(--text2)}
.password-toggle{
  position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:none;
  color:var(--text2);cursor:pointer;font-size:1rem;
}
.auth-card .btn{width:100%;justify-content:center;margin-top:6px}
.auth-alt{text-align:center;margin-top:22px;color:var(--text2);font-size:.9rem}
.auth-alt a{color:var(--accent2);font-weight:600}
.auth-foot{text-align:center;margin-top:18px;font-size:.8rem;color:var(--text2)}
.auth-card .g-recaptcha{margin:18px 0;display:flex;justify-content:center}

/* Alert */
.alert{padding:14px 18px;border-radius:12px;margin-bottom:20px;font-size:.92rem;border:1px solid;display:flex;align-items:center;gap:10px}
.alert-error{background:rgba(239,68,68,.12);border-color:var(--error);color:#fca5a5}
.alert-success{background:rgba(34,197,94,.12);border-color:var(--success);color:#86efac}
.alert-info{background:rgba(134,239,172,.12);border-color:var(--accent2);color:#7dd3fc}

/* ===== Reveal on scroll ===== */
.reveal{opacity:0;transform:translateY(40px);transition:opacity .8s ease,transform .8s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal[data-delay="1"]{transition-delay:.1s}
.reveal[data-delay="2"]{transition-delay:.2s}
.reveal[data-delay="3"]{transition-delay:.3s}

/* ===== Animations ===== */
@keyframes fadeUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-18px)}}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(34,197,94,.6)}50%{box-shadow:0 0 0 10px rgba(34,197,94,0)}}
@keyframes gradShift{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.3}}
@keyframes shine{0%{background-position:-200% 0}100%{background-position:200% 0}}

/* Badge pulsing for "no expiry" */
.lifetime{
  display:inline-flex;align-items:center;gap:8px;padding:8px 18px;border-radius:50px;
  background:linear-gradient(90deg,rgba(34,197,94,.15),rgba(134,239,172,.15));
  border:1px solid rgba(34,197,94,.4);font-size:13px;font-weight:600;color:var(--success);
}
.lifetime .shield{animation:pulse 2s infinite}

/* Responsive */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:50px}
  .hero-visual{max-width:520px;margin:0 auto;width:100%}
  .chip-3{left:-10px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .nav-links{
    position:fixed;top:68px;left:0;right:0;flex-direction:column;background:var(--navbar-bg);
    backdrop-filter:blur(20px);padding:24px;gap:20px;border-bottom:1px solid var(--border);
    transform:translateY(-150%);transition:transform .4s ease;z-index:999;
  }
  .nav-links.open{transform:translateY(0)}
  .burger{display:flex}
  .nav-actions .btn-grad.hide-mobile{display:none}
  .hero{padding:110px 0 60px}
  .hero-stats{gap:24px}
  .plan-card.featured{transform:none}
  .plan-card.featured:hover{transform:translateY(-8px)}
  .cta-band{padding:40px 24px}
  .footer-grid{grid-template-columns:1fr}
  .auth-card{padding:30px 22px}
}