/**
* Pratik Butani | Product Engineering Leader & Mobile Tech Strategist
* Premium Personal Brand Design System
*/

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

:root {
  --primary: #0563bb;
  --primary-hover: #067ded;
  --secondary: #00a6fb;
  --dark: #0f172a;
  --bg-light: #ffffff;
  --bg-secondary: #f8fafc;
  --text-main: #475569;
  --text-heading: #1e293b;
  --text-muted: #94a3b8;
  --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  --card-shadow: 0 10px 40px rgba(0, 0, 0, 0.03);
  --premium-shadow: 0 20px 60px rgba(0, 0, 0, 0.06);
  --glass-bg: rgba(255, 255, 255, 0.8);
  --glass-blur: blur(12px);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
}

/* Dark Mode Variables */
[data-theme="dark"] {
  --bg-light: #0f172a;
  --bg-secondary: #1e293b;
  --text-main: #94a3b8;
  --text-heading: #f8fafc;
  --text-muted: #64748b;
  --card-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  --glass-bg: rgba(15, 23, 42, 0.8);
  --glass-blur: blur(16px);
}

/*--------------------------------------------------------------
# General
--------------------------------------------------------------*/
html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", sans-serif;
  color: var(--text-main);
  background-color: var(--bg-light);
  line-height: 1.7;
  overflow-x: hidden;
  margin: 0;
  padding: 0;
}

h1, h2, h3, h4, h5, h6 {
  font-family: "Space Grotesk", sans-serif;
  color: var(--text-heading);
  letter-spacing: -0.03em;
  font-weight: 700;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--primary-hover);
}

.premium-gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/*--------------------------------------------------------------
# Navigation
--------------------------------------------------------------*/
#header {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 99999;
  transition: var(--transition);
  padding: 15px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 100px;
  background: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-right: 1px solid rgba(0, 0, 0, 0.1);
  box-shadow: 5px 0 30px rgba(0, 0, 0, 0.05);
}

@media (min-width: 992px) {
  #header {
    overflow: visible;
  }
}

[data-theme="dark"] #header {
  background: rgba(15, 23, 42, 0.3);
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 5px 0 30px rgba(0, 0, 0, 0.3);
}

.nav-menu { padding: 0; }
.nav-menu * { margin: 0; padding: 0; list-style: none; }
.nav-menu > ul > li { position: relative; white-space: nowrap; }

.nav-menu a {
  display: flex;
  align-items: center;
  color: var(--text-muted);
  padding: 10px 15px;
  margin-bottom: 12px;
  transition: 0.3s;
  font-size: 15px;
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  height: 52px;
  width: 52px;
  overflow: hidden;
  white-space: nowrap;
}

.nav-menu a i { font-size: 22px; color: var(--primary); }
.nav-menu a span { padding: 0 5px 0 10px; color: #fff; display: none; font-weight: 600; }

.nav-menu a:hover, .nav-menu a.active {
  color: #fff;
  background: var(--primary);
  box-shadow: 0 10px 20px rgba(5, 99, 187, 0.2);
}

.nav-menu a:hover i, .nav-menu a.active i {
  color: #fff;
}

@media (min-width: 992px) {
  #main { margin-left: 100px; position: relative; z-index: 2; }
  .nav-menu a:hover, .nav-menu a.active.show-text {
    width: 180px;
  }
  .nav-menu a:hover span, .nav-menu a.active.show-text span {
    display: block;
  }
}

@media (max-width: 992px) {
  #header {
    width: 280px;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-right: 1px solid rgba(255, 255, 255, 0.05);
    left: -280px;
  }
  .nav-menu a { width: 100%; }
  .nav-menu a span { display: block; }
}

.mobile-nav-toggle {
  position: fixed;
  right: 15px;
  top: 15px;
  z-index: 10002;
  border: 0;
  background: var(--primary);
  color: #fff;
  font-size: 24px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-nav-active { overflow: hidden; }
.mobile-nav-active #header { left: 0; }

/*--------------------------------------------------------------
# Hero Section
--------------------------------------------------------------*/
.hero-logos {
  opacity: 0.6;
  filter: grayscale(100%);
  transition: var(--transition);
}

.hero-logos:hover {
  opacity: 1;
  filter: grayscale(0%);
}

.hero-logos div {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
}

#hero {
  width: 100%;
  min-height: 100vh;
  background: linear-gradient(var(--glass-bg), var(--glass-bg)), url("../img/hero-bg.jpg") center center no-repeat;
  background-size: cover;
  position: relative;
  display: flex;
  align-items: center;
  padding: 120px 0 60px 0;
  z-index: 1;
}

@media (min-width: 992px) {
  #hero { padding-left: 100px; }
}

#hero h1 {
  margin: 0;
  font-size: 56px;
  font-weight: 800;
  line-height: 1.1;
  color: var(--text-heading);
  letter-spacing: -0.05em;
  max-width: 850px;
}

#hero p {
  color: var(--text-main);
  margin: 24px 0 40px 0;
  font-size: 22px;
  max-width: 700px;
  line-height: 1.6;
}

.btn-premium {
  padding: 16px 36px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-right: 15px;
  margin-bottom: 15px;
  font-size: 16px;
}

.btn-premium i {
  font-size: 20px;
}

.btn-primary-premium {
  background: var(--primary);
  color: #fff !important;
  box-shadow: 0 8px 25px rgba(5, 99, 187, 0.2);
  border: 2px solid var(--primary);
}

.btn-primary-premium:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  color: #fff !important;
  transform: translateY(-4px);
  box-shadow: 0 12px 35px rgba(5, 99, 187, 0.3);
}

.btn-outline-premium {
  border: 2px solid var(--primary);
  color: var(--primary);
  background: transparent;
}

.btn-outline-premium:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(5, 99, 187, 0.2);
}

.trust-indicators {
  margin-top: 50px;
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
}

.trust-item { display: flex; flex-direction: column; }
.trust-number { font-size: 32px; font-weight: 800; color: var(--primary); }
.trust-label { font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted); }

.founder-focus {
  margin: 40px 0;
  font-weight: 600;
  color: var(--text-heading);
  display: flex;
  align-items: center;
  font-size: 16px;
  background: rgba(16, 185, 129, 0.08);
  padding: 10px 20px;
  border-radius: 50px;
  width: fit-content;
}

.founder-focus i { color: #10b981; margin-right: 12px; font-size: 20px; }

@media (max-width: 992px) {
  #hero { text-align: center; justify-content: center; padding-left: 0; }
  #hero h1 { font-size: 38px; }
  #hero p { margin: 20px auto; font-size: 18px; }
  .trust-indicators { justify-content: center; gap: 20px; }
  .founder-focus { margin: 30px auto; }
}

/*--------------------------------------------------------------
# Sections General
--------------------------------------------------------------*/
section { padding: 120px 0; }
.section-title { text-align: center; padding-bottom: 70px; }
.section-title h2 {
  font-size: 42px;
  margin-bottom: 20px;
  position: relative;
  letter-spacing: -0.04em;
}

.section-title h2::after {
  content: '';
  position: absolute;
  display: block;
  width: 50px;
  height: 5px;
  background: var(--primary);
  bottom: -15px;
  left: calc(50% - 25px);
  border-radius: 10px;
}

.section-title p { font-size: 20px; color: var(--text-muted); max-width: 750px; margin: 25px auto 0; }

.full-bleed {
  margin-left: -100px;
  padding-left: 100px !important;
  width: calc(100% + 100px);
}

@media (max-width: 992px) {
  .full-bleed { margin-left: 0; padding-left: 0; width: 100%; }
}

.section-bg { background-color: var(--bg-secondary); }

/*--------------------------------------------------------------
# Cards
--------------------------------------------------------------*/
.about-card, .case-study-card, .focus-area-card {
  padding: 40px;
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  transition: var(--transition);
  border: 1px solid rgba(226, 232, 240, 0.5);
  height: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.about-card:hover, .case-study-card:hover, .focus-area-card:hover {
  transform: translateY(-12px);
  box-shadow: var(--premium-shadow);
  border-color: var(--primary);
}

.about-card i, .focus-area-card i {
  font-size: 44px;
  color: var(--primary);
  margin-bottom: 24px;
}

.about-founder-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

/*--------------------------------------------------------------
# Selected Product Experience
--------------------------------------------------------------*/
.case-study-content h4 { font-size: 24px; margin-bottom: 16px; }
.case-study-tag {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--primary);
  background: rgba(5, 99, 187, 0.08);
  padding: 4px 14px;
  border-radius: 50px;
  margin-bottom: 20px;
  display: inline-block;
}

.case-study-meta {
  margin-top: 25px;
  padding-top: 25px;
  border-top: 1px solid rgba(226, 232, 240, 0.8);
}

.case-study-meta-item { margin-bottom: 12px; }
.case-study-meta-label { font-size: 11px; font-weight: 800; text-transform: uppercase; color: var(--text-muted); }
.case-study-meta-value { font-size: 15px; font-weight: 600; color: var(--text-heading); display: block; }

/*--------------------------------------------------------------
# AI Workflow
--------------------------------------------------------------*/
.ai-section {
  background: #0f172a;
  color: #f8fafc;
  padding: 120px 0;
}

.ai-section .section-title h2 { color: #fff; }
.ai-section .section-title p { color: #94a3b8; }

.workflow-wrapper {
  position: relative;
  max-width: 900px;
  margin: 80px auto;
}

.workflow-line {
  position: absolute;
  top: 35px;
  left: 5%;
  right: 5%;
  height: 2px;
  background: rgba(255, 255, 255, 0.1);
  z-index: 1;
}

.workflow-container {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  position: relative;
  z-index: 2;
}

.workflow-icon {
  width: 70px;
  height: 70px;
  background: #1e293b;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--secondary);
  margin: 0 auto 20px;
  transition: var(--transition);
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
}

.workflow-step:hover .workflow-icon {
  background: var(--primary);
  color: #fff;
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: 0 10px 25px rgba(5, 99, 187, 0.4);
}

.workflow-step { text-align: center; flex: 1; }
.workflow-step span {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #cbd5e1;
}

.ai-workflow-card {
  background: rgba(30, 41, 59, 0.5);
  padding: 40px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.05);
  height: 100%;
  position: relative;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.ai-workflow-card:hover {
  background: rgba(30, 41, 59, 0.8);
  border-color: var(--primary);
  transform: translateY(-10px);
}

.card-num {
  font-family: "Space Grotesk", sans-serif;
  font-size: 48px;
  font-weight: 800;
  color: rgba(0, 0, 0, 0.03);
  position: absolute;
  top: 20px;
  right: 30px;
  line-height: 1;
  transition: var(--transition);
  z-index: 0;
}

[data-theme="dark"] .card-num, .ai-section .card-num {
  color: rgba(255, 255, 255, 0.03);
}

.about-card:hover .card-num,
.case-study-card:hover .card-num,
.focus-area-card:hover .card-num,
.ai-workflow-card:hover .card-num {
  color: rgba(5, 99, 187, 0.1);
}

.ai-workflow-card h5 {
  color: #fff;
  font-size: 20px;
  margin-bottom: 20px;
  font-family: "Space Grotesk", sans-serif;
}

.ai-workflow-card p {
  color: #94a3b8;
  font-size: 16px;
  line-height: 1.6;
  margin: 0;
}

/*--------------------------------------------------------------
# Metrics
--------------------------------------------------------------*/
.count-box {
  padding: 40px 30px;
  text-align: center;
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  transition: var(--transition);
  border: 1px solid rgba(226, 232, 240, 0.5);
  position: relative;
  overflow: hidden;
  height: 100%;
}

.count-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  opacity: 0;
  transition: var(--transition);
}

.count-box:hover {
  transform: translateY(-10px);
  box-shadow: var(--premium-shadow);
  border-color: var(--primary);
}

.count-box:hover::before {
  opacity: 1;
}

.count-box i {
  font-size: 40px;
  line-height: 1;
  color: var(--primary);
  margin-bottom: 20px;
  display: inline-block;
  background: rgba(5, 99, 187, 0.05);
  width: 80px;
  height: 80px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: var(--transition);
}

.count-box:hover i {
  background: var(--primary);
  color: #fff;
  transform: rotateY(360deg);
}

.count-box span {
  font-size: 48px;
  display: block;
  font-weight: 800;
  color: var(--text-heading);
  font-family: "Space Grotesk", sans-serif;
  line-height: 1;
}

.count-box p {
  padding: 0;
  margin: 15px 0 0 0;
  font-family: "Inter", sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/*--------------------------------------------------------------
# Community & Authority
--------------------------------------------------------------*/
.community-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.community-item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  aspect-ratio: 16/10;
  display: block;
}

.community-item img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.community-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.9), transparent);
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  opacity: 0;
  transition: var(--transition);
}

.community-item:hover .community-overlay { opacity: 1; }
.community-item:hover img { transform: scale(1.1); }
.community-overlay h5 { color: #fff; margin-bottom: 5px; }
.community-overlay p { color: #cbd5e1; font-size: 14px; margin-bottom: 0; }

/*--------------------------------------------------------------
# Open For Section
--------------------------------------------------------------*/
.opportunities-section {
  background: linear-gradient(135deg, var(--primary) 0%, #001d3d 100%);
  color: #fff;
  text-align: center;
}

.opportunities-section h2 { color: #fff; font-size: 44px; margin-bottom: 30px; }
.opp-badge {
  background: rgba(255, 255, 255, 0.12);
  padding: 10px 25px;
  border-radius: 50px;
  font-weight: 600;
  backdrop-filter: blur(10px);
  margin: 8px;
  display: inline-block;
  font-size: 15px;
}

/*--------------------------------------------------------------
# CTA Strip
--------------------------------------------------------------*/
.cta-strip {
  padding: 0 0 80px;
  background: var(--bg-light);
}

.cta-strip h3 {
  font-size: 36px;
  margin-top: 0;
  margin-bottom: 15px;
  color: var(--text-heading);
}

.cta-strip p {
  color: var(--text-main);
  font-size: 20px;
  max-width: none;
  margin: 0 auto;
  white-space: nowrap;
}

@media (max-width: 768px) {
  .cta-strip p {
    white-space: normal;
  }
}

.cta-strip .btn-primary-premium {
  margin: 0;
}

/*--------------------------------------------------------------
# Contact
--------------------------------------------------------------*/
.contact-container {
  max-width: 1100px;
  margin: 0 auto;
}

.contact-card {
  background: var(--bg-light);
  padding: 40px 30px;
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  border: 1px solid rgba(226, 232, 240, 0.5);
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  transition: var(--transition);
  color: var(--text-main);
  text-decoration: none;
}

.contact-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--premium-shadow);
  border-color: var(--primary);
  color: var(--text-main);
}

.contact-card i {
  font-size: 48px;
  color: var(--primary);
  margin-bottom: 20px;
  transition: var(--transition);
}

.contact-card:hover i {
  transform: scale(1.1);
}

.contact-card h4 {
  font-size: 20px;
  margin-bottom: 10px;
  color: var(--text-heading);
}

.contact-card p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 25px;
  line-height: 1.4;
  text-align: center;
}

.contact-btn {
  margin-top: auto;
  font-size: 15px;
  font-weight: 700;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  line-height: 1;
}

.contact-btn i {
  font-size: 18px;
  margin: 0;
  transition: var(--transition);
}

.contact-card:hover .contact-btn i {
  transform: translateX(5px);
}

/*--------------------------------------------------------------
# Theme Toggle
--------------------------------------------------------------*/
.theme-toggle {
  position: fixed;
  top: 15px;
  right: 70px;
  z-index: 10002;
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 4px 15px rgba(5, 99, 187, 0.2);
  transition: var(--transition);
}

.theme-toggle:hover {
  background: var(--primary-hover);
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(5, 99, 187, 0.3);
}

/*--------------------------------------------------------------
# Footer
--------------------------------------------------------------*/
#footer {
  padding: 100px 0 50px;
  border-top: 1px solid rgba(226, 232, 240, 0.5);
  text-align: center;
}

.footer-top .logo { font-size: 40px; font-weight: 800; letter-spacing: -0.06em; }
.footer-social { display: flex; justify-content: center; gap: 20px; margin: 40px 0; }
.footer-social a {
  font-size: 24px;
  color: var(--text-main);
}
.footer-social a:hover { color: var(--primary); transform: translateY(-5px); }

/* Back to Top */
.back-to-top {
  position: fixed;
  visibility: hidden;
  opacity: 0;
  right: 15px;
  bottom: 15px;
  z-index: 996;
  background: var(--primary);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.back-to-top.active { visibility: visible; opacity: 1; }
.back-to-top:hover {
  background: var(--primary-hover);
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(5, 99, 187, 0.3);
}
.back-to-top i { font-size: 24px; color: #fff; }