/* ============================================
   MD3P Consulting LLC — Design System
   Apple-style minimal landing page
   ============================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* --- CSS Custom Properties --- */
:root {
  /* Colors */
  --color-primary: #00F2FE;
  --color-primary-hover: #4FACFE;
  --color-primary-light: rgba(0, 242, 254, 0.08);
  --color-primary-glow: rgba(0, 242, 254, 0.25);
  --color-accent: #9B5DE5;
  --color-black: #050508;
  --color-dark: #0D0D12;
  --color-gray-900: #F3F4F6;
  --color-gray-700: #E5E7EB;
  --color-gray-600: #9CA3AF;
  --color-gray-400: #4B5563;
  --color-gray-300: #374151;
  --color-gray-200: #1F2937;
  --color-gray-100: #111827;
  --color-gray-50: #0B0B0F;
  --color-white: #FFFFFF;
  --color-bg: #050508;
  --color-bg-alt: #0D0D12;
  --color-danger: #FF3B30;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 2.5rem;
  --font-size-4xl: 3.25rem;
  --font-size-5xl: 4rem;
  --font-size-hero: clamp(2.5rem, 6vw, 5rem);

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;
  --section-padding: clamp(4rem, 8vw, 8rem) 0;

  /* Layout */
  --max-width: 1200px;
  --max-width-narrow: 800px;
  --container-padding: clamp(1.25rem, 4vw, 2.5rem);

  /* Borders & Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4), 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5), 0 2px 4px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.6), 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 24px 60px rgba(0, 0, 0, 0.7), 0 8px 20px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(0, 242, 254, 0.25);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.25, 0.1, 0.25, 1);
  --transition-base: 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
  --transition-slow: 0.5s cubic-bezier(0.25, 0.1, 0.25, 1);
  --transition-spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Glass */
  --glass-bg: rgba(13, 13, 18, 0.7);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-blur: 20px;
}


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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 400;
  line-height: 1.65;
  color: var(--color-gray-700);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg {
  display: block;
  max-width: 100%;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

::selection {
  background: var(--color-primary);
  color: var(--color-black);
}

/* --- Custom Scrollbar --- */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--color-bg);
}
::-webkit-scrollbar-thumb {
  background: var(--color-gray-300);
  border-radius: var(--radius-full);
  border: 2px solid var(--color-bg);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}


/* --- Utilities --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.container--narrow {
  max-width: var(--max-width-narrow);
}

.section {
  padding: var(--section-padding);
}

.section-label {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
  padding: 6px 14px;
  background: var(--color-primary-light);
  border-radius: var(--radius-full);
}

.section-title {
  font-size: clamp(1.75rem, 4vw, var(--font-size-4xl));
  font-weight: 800;
  line-height: 1.15;
  color: var(--color-white);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-lg);
}

.section-subtitle {
  font-size: clamp(var(--font-size-base), 2vw, var(--font-size-lg));
  color: var(--color-gray-600);
  line-height: 1.7;
  max-width: 600px;
  font-weight: 400;
}

.text-center {
  text-align: center;
}

.text-center .section-subtitle {
  margin-left: auto;
  margin-right: auto;
}


/* --- Scroll Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.25, 0.1, 0.25, 1),
              transform 0.8s cubic-bezier(0.25, 0.1, 0.25, 1);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }


/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(5, 5, 8, 0.75);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-base), background var(--transition-base);
}

.nav.scrolled {
  border-bottom-color: var(--glass-border);
  background: rgba(5, 5, 8, 0.85);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav__logo {
  font-size: var(--font-size-lg);
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav__logo-mark {
  width: 32px;
  height: 32px;
  background: var(--color-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-black);
  font-size: var(--font-size-sm);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav__link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-gray-700);
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
  transition: width var(--transition-base);
}

.nav__link:hover {
  color: var(--color-white);
}

.nav__link:hover::after {
  width: 100%;
}

.nav__cta {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-black);
  background: var(--color-primary);
  padding: 8px 20px;
  border-radius: var(--radius-full);
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.nav__cta:hover {
  background: var(--color-primary-hover);
  color: var(--color-white);
  transform: scale(1.02);
  box-shadow: var(--shadow-glow);
}

/* Mobile menu */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 24px;
  padding: 4px 0;
}

.nav__toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-white);
  border-radius: 1px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav__toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__toggle.active span:nth-child(2) {
  opacity: 0;
}
.nav__toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

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

  .nav__links {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(13, 13, 18, 0.96);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    flex-direction: column;
    padding: var(--space-xl) var(--container-padding) var(--space-2xl);
    gap: var(--space-lg);
    border-bottom: 1px solid var(--color-gray-200);
    transform: translateY(-120%);
    opacity: 0;
    transition: transform var(--transition-slow), opacity var(--transition-slow);
    pointer-events: none;
  }

  .nav__links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav__link {
    font-size: var(--font-size-md);
  }
}


/* ============================================
   HERO
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
}

.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: orbFloat 20s ease-in-out infinite;
}

.hero__orb--1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 242, 254, 0.15) 0%, transparent 70%);
  top: -10%;
  right: -5%;
  animation-delay: 0s;
}

.hero__orb--2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(155, 93, 229, 0.12) 0%, transparent 70%);
  bottom: 10%;
  left: -8%;
  animation-delay: -7s;
}

.hero__orb--3 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(0, 113, 227, 0.1) 0%, transparent 70%);
  top: 40%;
  right: 30%;
  animation-delay: -14s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -20px) scale(1.05); }
  50% { transform: translate(-20px, 30px) scale(0.95); }
  75% { transform: translate(15px, 15px) scale(1.02); }
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  padding-top: 100px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 8px 18px;
  background: var(--glass-bg);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-gray-700);
  margin-bottom: var(--space-2xl);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  animation: fadeInUp 0.8s ease both;
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  background: #34C759;
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

.hero__title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-xl);
  animation: fadeInUp 0.8s ease 0.15s both;
}

.hero__title-sub {
  display: block;
  font-size: clamp(1.5rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--color-gray-600);
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.hero__title-main {
  display: block;
  font-size: clamp(2.5rem, 6.5vw, 5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: clamp(var(--font-size-md), 2.5vw, var(--font-size-xl));
  color: var(--color-gray-600);
  line-height: 1.6;
  max-width: 660px;
  margin: 0 auto var(--space-2xl);
  font-weight: 400;
  animation: fadeInUp 0.8s ease 0.3s both;
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.45s both;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-size-base);
  font-weight: 600;
  padding: 14px 32px;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-black);
  box-shadow: 0 4px 16px var(--color-primary-glow);
}

.btn--primary:hover {
  background: var(--color-primary-hover);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--color-primary-glow);
}

.btn--secondary {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-gray-200);
}

.btn--secondary:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  transform: translateY(-2px);
}

.btn__arrow {
  transition: transform var(--transition-fast);
}

.btn:hover .btn__arrow {
  transform: translateX(3px);
}

.hero__scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-gray-400);
  font-size: var(--font-size-xs);
  font-weight: 500;
  letter-spacing: 0.05em;
  animation: fadeInUp 0.8s ease 0.9s both;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-gray-300), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { opacity: 0; transform: scaleY(0); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); transform-origin: top; }
  100% { opacity: 0; transform: scaleY(1); transform-origin: bottom; }
}


/* ============================================
   PROBLEM
   ============================================ */
.problem {
  background: var(--color-bg);
  position: relative;
}

.problem__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-3xl);
}

.problem__card {
  padding: var(--space-2xl) var(--space-xl);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-radius: var(--radius-xl);
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.problem__card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg), 0 0 25px var(--color-primary-glow);
  border-color: var(--color-primary);
}

.problem__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-lg);
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-base), transform var(--transition-base);
}

.problem__card:hover .problem__icon {
  background: var(--color-primary);
  transform: scale(1.05);
}

.problem__icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-primary);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: stroke var(--transition-base);
}

.problem__card:hover .problem__icon svg {
  stroke: var(--color-black);
}

.problem__card-title {
  font-size: var(--font-size-md);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.problem__card-text {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  line-height: 1.65;
}

@media (max-width: 900px) {
  .problem__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .problem__grid {
    grid-template-columns: 1fr;
  }
}


/* ============================================
   SERVICES
   ============================================ */
.services {
  background: var(--color-bg-alt);
  position: relative;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-3xl);
}

.services__grid > :nth-child(4),
.services__grid > :nth-child(5) {
  /* Center the bottom row of 2 cards */
}

.service-card {
  position: relative;
  padding: var(--space-2xl);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl), 0 0 25px rgba(155, 93, 229, 0.15);
  border-color: rgba(0, 242, 254, 0.35);
}

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

.service-card__number {
  font-size: var(--font-size-3xl);
  font-weight: 900;
  color: var(--color-gray-300);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: var(--space-lg);
  transition: color var(--transition-base);
}

.service-card:hover .service-card__number {
  color: var(--color-primary);
}

.service-card__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.service-card__text {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  line-height: 1.7;
}

@media (max-width: 900px) {
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .services__grid {
    grid-template-columns: 1fr;
  }
}


/* ============================================
   WHY MD3P
   ============================================ */
.why {
  background: var(--color-black);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.why::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(155, 93, 229, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.why .section-label {
  background: rgba(0, 242, 254, 0.08);
  color: var(--color-primary);
}

.why .section-title {
  color: var(--color-white);
}

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

.why__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-3xl);
}

.why__item {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-xl);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-radius: var(--radius-lg);
  transition: background var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
}

.why__item:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--color-primary);
  transform: translateY(-3px);
  box-shadow: 0 4px 20px var(--color-primary-glow);
}

.why__item-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: var(--color-primary-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.why__item-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--color-primary);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.why__item-title {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-xs);
}

.why__item-text {
  font-size: var(--font-size-sm);
  color: var(--color-gray-400);
  line-height: 1.65;
}

@media (max-width: 768px) {
  .why__grid {
    grid-template-columns: 1fr;
  }
}


/* ============================================
   ABOUT / FOUNDER
   ============================================ */
.about {
  background: var(--color-bg-alt);
}

.about__content {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-3xl);
  align-items: start;
  margin-top: var(--space-3xl);
}

.about__avatar {
  position: relative;
}

.about__avatar-img {
  width: 100%;
  aspect-ratio: 1;
  background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-gray-200) 100%);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-5xl);
  font-weight: 900;
  color: var(--color-primary);
  letter-spacing: -0.04em;
  position: relative;
  overflow: hidden;
}

.about__avatar-img::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: inherit;
}

.about__avatar-tag {
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: var(--color-black);
  font-size: var(--font-size-xs);
  font-weight: 600;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  white-space: nowrap;
  box-shadow: var(--shadow-md);
}

.about__text {
  padding-top: var(--space-md);
}

.about__name {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-xs);
}

.about__role {
  font-size: var(--font-size-base);
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--space-xl);
}

.about__bio p {
  font-size: var(--font-size-base);
  color: var(--color-gray-700);
  line-height: 1.75;
  margin-bottom: var(--space-lg);
}

.about__bio p:last-child {
  margin-bottom: 0;
}

.about__highlights {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.about__highlight {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-gray-700);
}

.about__highlight svg {
  width: 18px;
  height: 18px;
  stroke: var(--color-primary);
  fill: none;
  stroke-width: 2;
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .about__content {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .about__avatar {
    max-width: 200px;
    margin: 0 auto;
  }

  .about__text {
    text-align: center;
  }

  .about__highlights {
    grid-template-columns: 1fr;
    text-align: left;
  }
}


/* ============================================
   BUSINESS MODEL
   ============================================ */
.model {
  background: var(--color-bg);
}

.model__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-3xl);
}

.model__card {
  padding: var(--space-2xl);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-radius: var(--radius-xl);
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  position: relative;
  overflow: hidden;
}

.model__card:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-lg), 0 0 25px rgba(155, 93, 229, 0.15);
}

.model__card-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-lg);
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-base), transform var(--transition-spring);
}

.model__card:hover .model__card-icon {
  background: var(--color-accent);
  transform: scale(1.1);
}

.model__card-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-primary);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: stroke var(--transition-base);
}

.model__card:hover .model__card-icon svg {
  stroke: var(--color-black);
}

.model__card-title {
  font-size: var(--font-size-md);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.model__card-text {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  line-height: 1.65;
}

.model__note {
  text-align: center;
  margin-top: var(--space-2xl);
  padding: var(--space-xl) var(--space-2xl);
  background: var(--color-primary-light);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0, 242, 254, 0.15);
}

.model__note p {
  font-size: var(--font-size-base);
  color: var(--color-gray-700);
  font-weight: 500;
}

.model__note strong {
  color: var(--color-primary);
}

@media (max-width: 768px) {
  .model__grid {
    grid-template-columns: 1fr;
  }
}


/* ============================================
   CONTACT / CTA
   ============================================ */
.contact {
  background: var(--color-bg-alt);
  position: relative;
  overflow: hidden;
}

.contact__wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  margin-top: var(--space-3xl);
}

.contact__info {
  padding-top: var(--space-md);
}

.contact__headline {
  font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-4xl));
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: var(--space-lg);
}

.contact__text {
  font-size: var(--font-size-base);
  color: var(--color-gray-600);
  line-height: 1.7;
  margin-bottom: var(--space-2xl);
}

.contact__detail {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  font-size: var(--font-size-base);
  color: var(--color-gray-700);
}

.contact__detail-icon {
  width: 44px;
  height: 44px;
  background: var(--color-primary-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact__detail-icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-primary);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.contact__form {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
}

.form__group {
  margin-bottom: var(--space-lg);
}

.form__label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: var(--space-xs);
}

.form__input,
.form__textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-white);
  background: var(--color-gray-100);
  border: 1.5px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: var(--color-gray-400);
}

.form__input:focus,
.form__textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.form__textarea {
  resize: vertical;
  min-height: 120px;
}

.form__submit {
  width: 100%;
  padding: 14px;
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-black);
  background: var(--color-primary);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.form__submit:hover {
  background: var(--color-primary-hover);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--color-primary-glow);
}

/* --- Form Validation & Success Styles --- */
.form__input.is-invalid,
.form__textarea.is-invalid {
  border-color: var(--color-danger);
  box-shadow: 0 0 0 3px rgba(255, 59, 48, 0.25);
}

.form-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-xl) 0;
  animation: formSuccessFadeIn 0.5s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

.form-success__icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background: var(--color-primary-light);
  border: 2px solid var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  box-shadow: 0 0 24px var(--color-primary-glow);
  margin-bottom: var(--space-lg);
  position: relative;
}

.form-success__icon svg {
  width: 32px;
  height: 32px;
}

.form-success__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.form-success__text {
  font-size: var(--font-size-base);
  color: var(--color-gray-600);
  line-height: 1.6;
  margin-bottom: var(--space-xl);
  max-width: 420px;
}

.form-success__reset {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-primary);
  background: none;
  border: none;
  cursor: pointer;
  transition: color var(--transition-fast), transform var(--transition-fast), text-shadow var(--transition-fast);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.form-success__reset:hover {
  color: var(--color-primary-hover);
  text-shadow: 0 0 8px var(--color-primary-glow);
  transform: translateY(-1px);
}

@keyframes formSuccessFadeIn {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(15px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}


@media (max-width: 768px) {
  .contact__wrapper {
    grid-template-columns: 1fr;
  }
}


/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--color-black);
  padding: var(--space-3xl) 0;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-lg);
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.footer__logo-mark {
  width: 28px;
  height: 28px;
  background: var(--color-primary);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-black);
  font-size: var(--font-size-xs);
  font-weight: 800;
}

.footer__logo-text {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: -0.02em;
}

.footer__center {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  text-align: center;
}

.footer__right {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
}

.footer__right a {
  color: var(--color-gray-400);
  transition: color var(--transition-fast);
}

.footer__right a:hover {
  color: var(--color-white);
}

@media (max-width: 640px) {
  .footer__inner {
    flex-direction: column;
    text-align: center;
  }
}


/* ============================================
   DIVIDER
   ============================================ */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-gray-200), transparent);
  border: none;
  margin: 0;
}