/* ═══════════════════════════════════════════
   COGENERA S.r.l. — Design System
   Tecnologia per l'Energia Condivisa
   ═══════════════════════════════════════════ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* ─── Custom Properties ─── */
:root {
  /* Brand Colors — from logo */
  --blue-deep:    #0f2b46;
  --blue-primary: #1a5276;
  --blue-mid:     #2980b9;
  --blue-light:   #3498db;
  --blue-pale:    #a8d8ea;
  --green-energy: #4caf50;
  --green-bright: #56d85e;
  --green-light:  #81e884;
  --green-pale:   #c8f7c5;

  /* Neutrals */
  --white:        #ffffff;
  --off-white:    #f0f4f8;
  --gray-100:     #e8edf2;
  --gray-200:     #ccd6e0;
  --gray-400:     #8a9bb0;
  --gray-600:     #5a6b7f;
  --gray-800:     #2c3e50;
  --dark:         #0a1628;

  /* Semantic */
  --bg-primary:   var(--white);
  --bg-dark:      var(--dark);
  --text-primary: var(--gray-800);
  --text-muted:   var(--gray-600);
  --text-on-dark: var(--gray-100);

  /* Typography */
  --font:         'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing */
  --section-pad:  6rem 0;
  --container:    1200px;

  /* Effects */
  --glass-bg:     rgba(255, 255, 255, 0.82);
  --glass-blur:   16px;
  --glass-border: rgba(255, 255, 255, 0.25);
  --shadow-sm:    0 2px 8px rgba(10, 22, 40, 0.06);
  --shadow-md:    0 8px 30px rgba(10, 22, 40, 0.10);
  --shadow-lg:    0 20px 60px rgba(10, 22, 40, 0.15);
  --shadow-glow:  0 0 30px rgba(76, 175, 80, 0.15);
  --radius-sm:    8px;
  --radius-md:    16px;
  --radius-lg:    24px;
  --radius-xl:    32px;
  --transition:   0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ─── Reset & Base ─── */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font);
  color: var(--text-primary);
  background: var(--bg-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

ul {
  list-style: none;
}

/* ─── Layout ─── */
.container {
  width: 92%;
  max-width: var(--container);
  margin: 0 auto;
}

.section {
  padding: var(--section-pad);
  position: relative;
}

.section-dark {
  background: var(--bg-dark);
  color: var(--text-on-dark);
}

.section-alt {
  background: var(--off-white);
}

/* ─── Typography ─── */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
}

h3 {
  font-size: clamp(1.2rem, 2vw, 1.5rem);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem;
}

.section-header h2 {
  margin-bottom: 1rem;
  color: var(--blue-primary);
}

.section-dark .section-header h2 {
  color: var(--white);
}

.section-header .subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
  font-weight: 300;
}

.section-dark .section-header .subtitle {
  color: var(--gray-400);
}

.gradient-text {
  background: linear-gradient(135deg, var(--blue-mid), var(--green-energy));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.label-tag {
  display: inline-block;
  padding: 0.35rem 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 50px;
  background: linear-gradient(135deg, rgba(76,175,80,0.12), rgba(41,128,185,0.12));
  color: var(--green-energy);
  margin-bottom: 1.2rem;
}

/* ═══════════════════════════════════════════
   HEADER / NAVBAR
   ═══════════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  background: transparent;
  transition: background var(--transition),
              box-shadow var(--transition),
              padding var(--transition);
}

.navbar.scrolled {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  box-shadow: var(--shadow-sm);
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--glass-border);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.nav-logo img {
  height: 42px;
  width: auto;
  transition: transform var(--transition);
}

.nav-logo:hover img {
  transform: rotate(15deg) scale(1.05);
}

.nav-logo .brand-name {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.03em;
  transition: color var(--transition);
}

.navbar.scrolled .nav-logo .brand-name {
  color: var(--blue-deep);
}

.nav-logo .brand-srl {
  font-weight: 400;
  font-size: 0.85rem;
  color: var(--green-bright);
}

.nav-links {
  display: flex;
  gap: 2.2rem;
  align-items: center;
}

.nav-links a {
  font-weight: 500;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.85);
  position: relative;
  padding: 0.3rem 0;
  transition: color var(--transition);
}

.navbar.scrolled .nav-links a {
  color: var(--text-primary);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--green-energy), var(--blue-mid));
  border-radius: 2px;
  transition: width var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-links a:hover {
  color: var(--green-bright);
}

.navbar.scrolled .nav-links a:hover {
  color: var(--green-energy);
}

.nav-cta {
  padding: 0.5rem 1.3rem !important;
  background: linear-gradient(135deg, var(--green-energy), var(--green-bright));
  color: var(--white) !important;
  border-radius: 50px;
  font-weight: 600 !important;
  transition: transform var(--transition), box-shadow var(--transition) !important;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(76, 175, 80, 0.35);
  color: var(--white) !important;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
  z-index: 1001;
  background: none;
  border: none;
}

.hamburger span {
  width: 26px;
  height: 2.5px;
  background: var(--white);
  border-radius: 3px;
  transition: all 0.35s ease;
}

.navbar.scrolled .hamburger span {
  background: var(--blue-deep);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* ═══════════════════════════════════════════
   HERO SECTION
   ═══════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  padding: 8rem 0 6rem;
}

/* Animated gradient background */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at 20% 50%, rgba(41,128,185,0.25) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(76,175,80,0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 100%, rgba(26,82,118,0.20) 0%, transparent 50%),
    linear-gradient(160deg, var(--blue-deep) 0%, #132f4c 30%, #0d2137 60%, var(--dark) 100%);
  z-index: 0;
}

/* Decorative mesh */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 25% 25%, rgba(76,175,80,0.06) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(41,128,185,0.06) 0%, transparent 50%);
  z-index: 0;
}

/* Floating orbs */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  z-index: 0;
  animation: float 8s ease-in-out infinite;
}

.hero-orb--1 {
  width: 400px;
  height: 400px;
  background: var(--green-energy);
  top: -10%;
  right: -5%;
  animation-delay: 0s;
}

.hero-orb--2 {
  width: 300px;
  height: 300px;
  background: var(--blue-mid);
  bottom: -5%;
  left: -5%;
  animation-delay: -3s;
}

.hero-orb--3 {
  width: 200px;
  height: 200px;
  background: var(--green-bright);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -5s;
  opacity: 0.2;
}

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50%      { transform: translateY(-30px) scale(1.05); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 3rem;
  animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-brand-icon {
  width: 120px;
  height: 120px;
  filter: drop-shadow(0 8px 30px rgba(76, 175, 80, 0.3))
          drop-shadow(0 0 60px rgba(41, 128, 185, 0.15));
  margin-bottom: 1.2rem;
  animation: iconPulse 4s ease-in-out infinite;
}

@keyframes iconPulse {
  0%, 100% {
    filter: drop-shadow(0 8px 30px rgba(76, 175, 80, 0.3))
            drop-shadow(0 0 60px rgba(41, 128, 185, 0.15));
    transform: scale(1);
  }
  50% {
    filter: drop-shadow(0 8px 40px rgba(76, 175, 80, 0.45))
            drop-shadow(0 0 80px rgba(41, 128, 185, 0.25));
    transform: scale(1.03);
  }
}

.hero-brand-text {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  margin-bottom: 0.4rem;
}

.hero-brand-name {
  font-size: clamp(2.8rem, 6vw, 4.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--white) 0%, var(--gray-200) 60%, var(--blue-pale) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.hero-brand-srl {
  font-size: clamp(1rem, 2vw, 1.4rem);
  font-weight: 400;
  color: var(--green-bright);
  letter-spacing: 0.15em;
}

.hero-brand-payoff {
  font-size: clamp(0.95rem, 1.8vw, 1.2rem);
  font-weight: 300;
  color: var(--gray-400);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0;
}

.hero h1 {
  color: var(--white);
  margin-bottom: 0.5rem;
  animation: fadeInUp 1s ease-out 0.4s both;
}

.hero .payoff {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  font-weight: 300;
  color: var(--gray-200);
  margin-bottom: 2.5rem;
  animation: fadeInUp 1s ease-out 0.6s both;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 1s ease-out 0.8s both;
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 600;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--green-energy), var(--green-bright));
  color: var(--white);
  box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(76, 175, 80, 0.45);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(4px);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.6);
  transform: translateY(-3px);
}

/* Dark section button variant */
.section-dark .btn-outline {
  color: var(--white);
  border-color: rgba(255,255,255,0.25);
}

.section-dark .btn-outline:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.5);
}

/* ═══════════════════════════════════════════
   CHI SIAMO
   ═══════════════════════════════════════════ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-image {
  position: relative;
}

.about-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-image-wrapper::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,82,118,0.1), rgba(76,175,80,0.1));
  border-radius: var(--radius-lg);
}

.about-icon-big {
  width: 100%;
  padding: 3rem;
  background: linear-gradient(160deg, var(--off-white), #e0eaf3);
  border-radius: var(--radius-lg);
}

.about-text h2 {
  color: var(--blue-primary);
  margin-bottom: 1.5rem;
}

.about-text p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 1.2rem;
}

.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
  margin-top: 2rem;
}

.highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  padding: 1rem;
  border-radius: var(--radius-sm);
  background: var(--off-white);
  transition: transform var(--transition), box-shadow var(--transition);
}

.highlight-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

.highlight-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--green-energy), var(--blue-mid));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.1rem;
}

.highlight-item h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.15rem;
  color: var(--blue-deep);
}

.highlight-item p {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* ═══════════════════════════════════════════
   SERVIZI
   ═══════════════════════════════════════════ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.service-card {
  position: relative;
  padding: 2.5rem 2rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
  transition: all var(--transition);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--green-energy), var(--blue-mid));
  opacity: 0;
  transition: opacity var(--transition);
}

.service-card:hover {
  transform: translateY(-8px);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(76,175,80,0.15), rgba(41,128,185,0.15));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.6rem;
  transition: transform var(--transition);
}

.service-card:hover .service-icon {
  transform: scale(1.1);
}

.service-card h3 {
  color: var(--white);
  margin-bottom: 1rem;
  font-weight: 600;
}

.service-card p {
  color: var(--gray-400);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ═══════════════════════════════════════════
   STATS / NUMERI
   ═══════════════════════════════════════════ */
.stats-section {
  padding: 4rem 0;
  background: linear-gradient(135deg, var(--blue-primary), var(--blue-deep));
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-item {
  padding: 1.5rem;
}

.stat-number {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--green-bright);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--gray-200);
  font-weight: 300;
}

/* ═══════════════════════════════════════════
   CONTATTI
   ═══════════════════════════════════════════ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: start;
}

.contact-info h2 {
  color: var(--blue-primary);
  margin-bottom: 1rem;
}

.contact-info > p {
  color: var(--text-muted);
  margin-bottom: 2rem;
  font-size: 1.05rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.2rem;
  border-radius: var(--radius-sm);
  background: var(--off-white);
  transition: all var(--transition);
}

.contact-item:hover {
  background: var(--white);
  box-shadow: var(--shadow-sm);
  transform: translateX(5px);
}

.contact-item-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--green-energy), var(--blue-mid));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--white);
  font-size: 1.1rem;
}

.contact-item-text h4 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--blue-deep);
  margin-bottom: 0.1rem;
}

.contact-item-text p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0;
}

/* ─── Contact Form ─── */
.contact-form-wrapper {
  background: var(--white);
  padding: 2.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(0,0,0,0.04);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--blue-deep);
  margin-bottom: 0.5rem;
  letter-spacing: 0.02em;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.85rem 1.1rem;
  font-family: var(--font);
  font-size: 0.95rem;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-sm);
  background: var(--off-white);
  color: var(--text-primary);
  outline: none;
  transition: all var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--green-energy);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(76, 175, 80, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 130px;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--gray-400);
}

.contact-form-wrapper .btn {
  width: 100%;
  justify-content: center;
  padding: 1rem;
  font-size: 1.05rem;
}

/* Form success state */
.btn.success {
  background: linear-gradient(135deg, #27ae60, #2ecc71) !important;
  pointer-events: none;
}

/* ═══════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════ */
.footer {
  background: var(--dark);
  color: var(--text-on-dark);
  padding: 4rem 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand .nav-logo {
  margin-bottom: 1rem;
}

.footer-brand p {
  color: var(--gray-400);
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 300px;
}

.footer-col h4 {
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.2rem;
}

.footer-col a {
  display: block;
  color: var(--gray-400);
  font-size: 0.9rem;
  padding: 0.3rem 0;
  transition: color var(--transition), transform var(--transition);
}

.footer-col a:hover {
  color: var(--green-bright);
  transform: translateX(4px);
}

.footer-col p {
  color: var(--gray-400);
  font-size: 0.88rem;
  line-height: 1.8;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
  font-size: 0.82rem;
  color: var(--gray-600);
}

.footer-bottom a {
  color: var(--gray-400);
}

.footer-bottom a:hover {
  color: var(--green-bright);
}

/* ═══════════════════════════════════════════
   ANIMATIONS
   ═══════════════════════════════════════════ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0.1s; }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 0.2s; }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 0.3s; }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 0.4s; }

.reveal-stagger.visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* ═══════════════════════════════════════════
   STARTUP PAGE
   ═══════════════════════════════════════════ */
.startup-hero {
  padding: 10rem 0 4rem;
  text-align: center;
  background: linear-gradient(160deg, var(--blue-deep), #132f4c, var(--dark));
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.startup-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 40%, rgba(76,175,80,0.1) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 60%, rgba(41,128,185,0.1) 0%, transparent 60%);
}

.startup-hero h1 {
  position: relative;
  z-index: 1;
}

.startup-hero p {
  position: relative;
  z-index: 1;
  color: var(--gray-200);
  font-size: 1.15rem;
  max-width: 600px;
  margin: 1rem auto 0;
}

.startup-content {
  padding: 4rem 0;
}

.startup-container {
  max-width: 860px;
  margin: 0 auto;
}

.content-block {
  margin-bottom: 3rem;
  padding: 2.5rem;
  border-radius: var(--radius-md);
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.05);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}

.content-block:hover {
  box-shadow: var(--shadow-md);
}

.content-block h2 {
  font-size: 1.5rem;
  color: var(--blue-primary);
  padding-bottom: 0.75rem;
  margin-bottom: 1.5rem;
  border-bottom: 2px solid var(--green-energy);
  display: inline-block;
}

.content-block h3 {
  font-size: 1.1rem;
  color: var(--blue-deep);
  margin-top: 1.8rem;
  margin-bottom: 0.6rem;
}

.content-block p,
.content-block li {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 0.8rem;
}

.content-block ul {
  padding-left: 0;
}

.content-block li {
  padding: 0.4rem 0;
  padding-left: 1.2rem;
  position: relative;
}

.content-block li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green-energy);
}

.content-block strong {
  color: var(--blue-deep);
}

.download-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.8rem 1.5rem;
  background: var(--off-white);
  border-radius: var(--radius-sm);
  color: var(--blue-mid);
  font-weight: 600;
  transition: all var(--transition);
}

.download-link:hover {
  background: linear-gradient(135deg, rgba(76,175,80,0.1), rgba(41,128,185,0.1));
  color: var(--green-energy);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

/* ═══════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════ */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 75%;
    max-width: 320px;
    height: 100vh;
    background: var(--dark);
    flex-direction: column;
    padding: 5rem 2rem 2rem;
    gap: 0.5rem;
    transition: right 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: -10px 0 40px rgba(0,0,0,0.3);
    z-index: 1000;
  }

  .nav-links.active {
    right: 0;
  }

  .nav-links a {
    font-size: 1.1rem;
    padding: 0.8rem 0;
    color: var(--gray-200) !important;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }

  .nav-links a:hover {
    color: var(--green-bright) !important;
  }

  .nav-cta {
    margin-top: 1rem;
    text-align: center;
    display: block;
  }

  /* Overlay */
  .nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s ease;
    z-index: 999;
  }

  .nav-overlay.active {
    opacity: 1;
    pointer-events: all;
  }

  /* Sections */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .about-image {
    order: -1;
    max-width: 300px;
    margin: 0 auto;
  }

  .about-highlights {
    grid-template-columns: 1fr;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .hero-brand-icon {
    width: 90px;
    height: 90px;
  }
}

@media (max-width: 480px) {
  .hero-brand-icon {
    width: 70px;
    height: 70px;
  }

  .hero-brand-payoff {
    letter-spacing: 0.06em;
    font-size: 0.8rem;
  }

  h1 {
    font-size: 2rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .content-block {
    padding: 1.5rem;
  }

  .contact-form-wrapper {
    padding: 1.5rem;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }
}