/* =============================================
   OhaLogic — CSS Design System v2
   Soft Light Theme | Pastel | Modern
   ============================================= */

:root {
  --primary-50: #f0f1ff;
  --primary-100: #e8eaff;
  --primary-200: #d4d8ff;
  --primary-300: #b8bfff;
  --primary-400: #a0aaff;
  --primary-500: #8b96ff;
  --primary-600: #7c85f2;
  --primary-700: #6b72db;
  --primary-800: #5a5fb5;
  --gray-50: #fafbff;
  --gray-100: #f4f6fb;
  --gray-200: #e8ecf4;
  --gray-300: #d1d8e5;
  --gray-400: #9ba6b8;
  --gray-500: #6e7a8e;
  --gray-600: #4f5b6e;
  --gray-700: #374050;
  --gray-800: #232b38;
  --accent-lavender: #c4b8ff;
  --accent-sky: #a8d8ff;
  --accent-mint: #a8f0d4;
  --section-main: #ffffff;
  --section-alt: var(--gray-50);
  --gradient-primary: linear-gradient(135deg, #a0aaff, #c4b8ff 50%, #d4d8ff);
  --gradient-hero: linear-gradient(160deg, #f0f1ff, #e8eaff 30%, #fafbff 70%, #f0f4ff);
  --gradient-text: linear-gradient(135deg, #7c85f2, #88c4ff);
  --gradient-btn: linear-gradient(135deg, #8b96ff, #a0aaff 50%, #b8bfff);
  --shadow-sm: 0 2px 8px rgba(139, 150, 255, 0.06), 0 1px 2px rgba(0, 0, 0, 0.03);
  --shadow-md: 0 4px 16px rgba(139, 150, 255, 0.08), 0 2px 4px rgba(0, 0, 0, 0.02);
  --shadow-lg: 0 12px 40px rgba(139, 150, 255, 0.10), 0 4px 12px rgba(0, 0, 0, 0.03);
  --font-sans: 'Inter', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 200ms var(--ease-out);
  --transition-base: 400ms var(--ease-out);
  --transition-slow: 700ms var(--ease-out);
  --container-max: 1140px;
  --nav-height: 72px;
  --space-1: .25rem;
  --space-2: .5rem;
  --space-3: .75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
}

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height)
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--gray-600);
  background: var(--gray-50);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden
}

a {
  color: var(--primary-600);
  text-decoration: none;
  transition: color var(--transition-fast)
}

a:hover {
  color: var(--primary-500)
}

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

ul {
  list-style: none
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6)
}

/* NAV */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  background: rgba(250, 251, 255, 0.75);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition-base)
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.92);
  border-bottom-color: var(--gray-200);
  box-shadow: var(--shadow-sm)
}

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

.nav-logo {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--space-2)
}

.nav-logo-icon {
  width: 36px;
  height: 36px;
  transition: transform var(--transition-base)
}

.nav-logo:hover .nav-logo-icon {
  transform: rotate(8deg) scale(1.05)
}

.logo-oha {
  color: var(--primary-500)
}

.logo-logic {
  color: var(--gray-800)
}

/* Hero logo (background decoration) */
.hero-bg-logo {
  position: absolute;
  right: -12vw;
  bottom: -8vw;
  width: 65vw;
  max-width: 860px;
  min-width: 420px;
  height: auto;
  opacity: 0.07;
  filter: blur(0.5px) saturate(0.6);
  pointer-events: none;
  user-select: none;
  animation: bgLogoFloat 18s ease-in-out infinite;
  z-index: 0
}

@keyframes bgLogoFloat {

  0%,
  100% {
    transform: translate(0, 0) rotate(0deg)
  }

  33% {
    transform: translate(-12px, -18px) rotate(1.5deg)
  }

  66% {
    transform: translate(8px, 12px) rotate(-1deg)
  }
}

/* Hero logo (floating icon - now removed, keep keyframes for reuse) */
.hero-logo {
  margin-bottom: var(--space-6)
}

.hero-logo-img {
  width: min(280px, 40vw);
  height: min(280px, 40vw);
  margin: 0 auto;
  filter: drop-shadow(0 12px 32px rgba(139, 150, 255, 0.28));
  animation: logoFloat 6s ease-in-out infinite
}


/* Footer logo */
.footer-logo {
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: var(--space-2)
}

.footer-logo-icon {
  width: 28px;
  height: 28px
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-8)
}

.nav-link {
  font-size: .85rem;
  font-weight: 500;
  color: var(--gray-500);
  text-decoration: none;
  position: relative;
  padding: var(--space-2) 0;
  transition: color var(--transition-fast)
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-btn);
  border-radius: var(--radius-full);
  transition: width var(--transition-base)
}

.nav-link:hover {
  color: var(--primary-600)
}

.nav-link:hover::after {
  width: 100%
}

.nav-link--cta {
  background: var(--gradient-btn);
  color: white !important;
  padding: .45rem 1.3rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  box-shadow: 0 2px 12px rgba(139, 150, 255, 0.25);
  transition: all var(--transition-base)
}

.nav-link--cta::after {
  display: none
}

.nav-link--cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(139, 150, 255, 0.35)
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  z-index: 1001
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--gray-700);
  border-radius: var(--radius-full);
  transition: all 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)
}

/* HERO */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-height)+var(--space-16)) var(--space-6) var(--space-16);
  overflow: hidden;
  background: var(--gradient-hero)
}

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

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: .35
}

.hero-orb--1 {
  width: 600px;
  height: 600px;
  background: var(--accent-lavender);
  top: -150px;
  right: -100px;
  animation: orbFloat 22s ease-in-out infinite
}

.hero-orb--2 {
  width: 450px;
  height: 450px;
  background: var(--accent-sky);
  bottom: -80px;
  left: -80px;
  animation: orbFloat 28s ease-in-out infinite reverse
}

.hero-orb--3 {
  width: 350px;
  height: 350px;
  background: var(--accent-mint);
  top: 45%;
  left: 55%;
  animation: orbFloat 20s ease-in-out infinite 3s
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(139, 150, 255, 0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(139, 150, 255, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 30%, transparent 70%)
}

@keyframes orbFloat {

  0%,
  100% {
    transform: translate(0, 0) scale(1)
  }

  25% {
    transform: translate(40px, -30px) scale(1.05)
  }

  50% {
    transform: translate(-20px, 25px) scale(.95)
  }

  75% {
    transform: translate(25px, 15px) scale(1.02)
  }
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 1
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--primary-600);
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(8px);
  padding: .4rem 1.2rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--primary-200);
  margin-bottom: var(--space-8)
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-mint);
  box-shadow: 0 0 8px var(--accent-mint);
  animation: pulse 2s ease-in-out infinite
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
    transform: scale(1)
  }

  50% {
    opacity: .6;
    transform: scale(.85)
  }
}

.hero-title {
  font-size: clamp(2.2rem, 5.5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.18;
  color: var(--gray-800);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-6)
}

.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text
}

.hero-description {
  font-size: 1.05rem;
  color: var(--gray-500);
  max-width: 560px;
  margin: 0 auto var(--space-10);
  line-height: 1.85
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-size: .88rem;
  font-weight: 600;
  padding: .7rem 1.8rem;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none
}

.btn--primary {
  background: var(--gradient-btn);
  color: white;
  box-shadow: 0 4px 20px rgba(139, 150, 255, 0.3)
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(139, 150, 255, 0.4);
  color: white
}

.btn--glass {
  background: rgba(255, 255, 255, 0.6);
  color: var(--gray-700);
  border: 1px solid var(--gray-200);
  backdrop-filter: blur(8px)
}

.btn--glass:hover {
  background: rgba(255, 255, 255, 0.9);
  border-color: var(--primary-300);
  color: var(--primary-600);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md)
}

.btn--form {
  padding: .8rem 2rem;
  font-size: .95rem
}

/* SCROLL */
.hero-scroll {
  position: absolute;
  bottom: var(--space-10);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--gray-400);
  font-size: .7rem;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase
}

.hero-scroll-mouse {
  width: 22px;
  height: 34px;
  border: 2px solid var(--gray-300);
  border-radius: 11px;
  position: relative
}

.hero-scroll-dot {
  width: 3px;
  height: 7px;
  background: var(--primary-400);
  border-radius: var(--radius-full);
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  animation: scrollDot 2s ease-in-out infinite
}

@keyframes scrollDot {

  0%,
  100% {
    opacity: 1;
    transform: translateX(-50%) translateY(0)
  }

  50% {
    opacity: .3;
    transform: translateX(-50%) translateY(10px)
  }
}

/* WAVE DIVIDERS */
.wave-divider {
  line-height: 0;
  margin-top: -1px
}

.wave-divider svg {
  width: 100%;
  height: 60px;
  display: block
}

.wave-divider--flip {
  transform: scaleY(-1);
  margin-top: 0;
  margin-bottom: -1px
}

/* SECTION COMMON */
.section-header {
  text-align: center;
  margin-bottom: var(--space-16)
}

.section-label {
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--primary-500);
  margin-bottom: var(--space-2)
}

.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.25rem);
  font-weight: 800;
  color: var(--gray-800);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4)
}

.section-subtitle {
  font-size: 1rem;
  color: var(--gray-400);
  max-width: 480px;
  margin: 0 auto
}

/* ABOUT */
.about {
  padding: var(--space-20) 0 var(--space-24);
  background: var(--section-alt)
}

.about-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center
}

.about-layout--single {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 820px;
  margin: 0 auto;
  text-align: center
}

.about-text {
  width: 100%;
  text-align: center
}

.about-text .section-label,
.about-text .section-title {
  text-align: center
}

.about-description {
  font-size: .97rem;
  color: var(--gray-500);
  line-height: 1.95
}

.about-description p {
  margin-bottom: var(--space-5)
}

.about-description p:last-child {
  margin-bottom: 0
}

.about-description strong {
  color: var(--gray-700);
  font-weight: 600
}

.about-info-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
  display: flex;
  flex-direction: column;
  gap: var(--space-5)
}

.info-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--gray-100)
}

.info-row:last-child {
  border-bottom: none;
  padding-bottom: 0
}

.info-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-50);
  color: var(--primary-500);
  border-radius: var(--radius-sm)
}

.info-label {
  display: block;
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--gray-400);
  margin-bottom: 2px
}

.info-value {
  display: block;
  font-size: .9rem;
  font-weight: 500;
  color: var(--gray-700)
}

.info-link {
  color: var(--primary-600) !important
}

.info-link:hover {
  text-decoration: underline
}

/* SERVICES */
.services {
  padding: var(--space-24) 0;
  background: var(--section-main)
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6)
}

.service-card {
  position: relative;
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  transition: all var(--transition-base);
  overflow: hidden
}

.service-card-glow {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, rgba(139, 150, 255, 0.06) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-slow);
  pointer-events: none
}

.service-card:hover .service-card-glow {
  opacity: 1
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-200)
}

.service-number {
  font-size: .7rem;
  font-weight: 800;
  color: var(--primary-300);
  letter-spacing: .05em;
  margin-bottom: var(--space-4)
}

.service-icon-wrap {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-50);
  border-radius: var(--radius-md);
  color: var(--primary-500);
  margin-bottom: var(--space-5);
  transition: all var(--transition-base)
}

.service-icon-wrap svg {
  width: 28px;
  height: 28px
}

.service-card:hover .service-icon-wrap {
  background: var(--gradient-btn);
  color: white;
  transform: scale(1.06)
}

.service-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: var(--space-3)
}

.service-description {
  font-size: .85rem;
  color: var(--gray-500);
  line-height: 1.8;
  margin-bottom: var(--space-5)
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2)
}

.service-tags li {
  font-size: .72rem;
  font-weight: 600;
  color: var(--primary-600);
  background: var(--primary-50);
  padding: .2rem .65rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--primary-100)
}

.service-card--soon {
  border-style: dashed;
  border-color: var(--gray-300)
}

.service-card--soon .service-icon-wrap {
  background: var(--gray-100);
  color: var(--gray-400)
}

.service-card--soon:hover .service-icon-wrap {
  background: linear-gradient(135deg, var(--gray-400), var(--gray-500));
  color: white
}

.service-card--soon .service-tags li {
  color: var(--gray-500);
  background: var(--gray-100);
  border-color: var(--gray-200)
}

.soon-badge {
  position: absolute;
  top: var(--space-5);
  right: var(--space-5);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: white;
  background: linear-gradient(135deg, var(--accent-sky), var(--accent-mint));
  padding: .2rem .7rem;
  border-radius: var(--radius-full)
}

/* SKILLS */
.skills {
  padding: var(--space-20) 0 var(--space-24);
  background: var(--section-alt)
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6)
}

.skill-category {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  border: 1px solid var(--gray-200);
  transition: all var(--transition-base)
}

.skill-category:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-200)
}

.skill-category-title {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: .95rem;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--gray-100)
}

.skill-category-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-50);
  color: var(--primary-500);
  border-radius: var(--radius-sm)
}

.skill-items {
  display: flex;
  flex-direction: column;
  gap: var(--space-4)
}

.skill-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: .88rem;
  font-weight: 500;
  color: var(--gray-600)
}

.skill-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  background: var(--dot-color, var(--primary-400));
  box-shadow: 0 0 6px color-mix(in srgb, var(--dot-color, var(--primary-400)) 40%, transparent)
}

/* CONTACT */
.contact {
  padding: var(--space-24) 0;
  background: var(--section-main)
}

.contact-wrapper {
  max-width: 480px;
  margin: 0 auto
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5)
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5)
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2)
}

.form-label {
  font-size: .82rem;
  font-weight: 600;
  color: var(--gray-700)
}

.required {
  color: #f87171
}

.form-input {
  width: 100%;
  padding: .65rem 1rem;
  font-family: var(--font-sans);
  font-size: .88rem;
  color: var(--gray-800);
  background: var(--gray-50);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  outline: none
}

.form-input::placeholder {
  color: var(--gray-400)
}

.form-input:focus {
  border-color: var(--primary-400);
  background: white;
  box-shadow: 0 0 0 3px rgba(139, 150, 255, 0.1)
}

.form-textarea {
  resize: vertical;
  min-height: 110px
}

.btn--submit {
  align-self: center;
  padding: .7rem 2.2rem;
  font-size: .92rem;
  margin-top: var(--space-2)
}

.btn--submit:disabled {
  opacity: .7;
  cursor: not-allowed;
  transform: none !important
}

.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin .6s linear infinite;
  margin-right: var(--space-2);
  vertical-align: middle
}

@keyframes spin {
  to {
    transform: rotate(360deg)
  }
}

.form-success {
  display: none;
  text-align: center;
  padding: var(--space-12) var(--space-8)
}

.form-success.show {
  display: block;
  animation: fadeUp .5s var(--ease-out)
}

.form-success-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-5);
  background: linear-gradient(135deg, var(--accent-mint), var(--accent-sky));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 24px;
  font-weight: 700
}

.form-success h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: var(--space-2)
}

.form-success p {
  font-size: .88rem;
  color: var(--gray-500);
  line-height: 1.7
}

.contact-side {
  display: flex;
  flex-direction: column;
  gap: var(--space-6)
}

.contact-card {
  padding: var(--space-6);
  background: white;
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm)
}

.contact-card-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-50);
  color: var(--primary-500);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-3)
}

.contact-card-label {
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--gray-400);
  margin-bottom: 2px
}

.contact-card-value {
  font-size: .92rem;
  font-weight: 500;
  color: var(--primary-600)
}

.contact-card-value:hover {
  text-decoration: underline
}

.contact-note {
  padding: var(--space-5);
  background: var(--primary-50);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--primary-400)
}

.contact-note p {
  font-size: .85rem;
  color: var(--gray-600);
  line-height: 1.7
}

/* FOOTER */
.footer {
  padding: var(--space-10) 0;
  background: var(--gray-800)
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4)
}

.footer-logo {
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 800
}

.footer .logo-oha {
  color: var(--primary-400)
}

.footer .logo-logic {
  color: rgba(255, 255, 255, 0.9)
}

.footer-nav {
  display: flex;
  gap: var(--space-6)
}

.footer-nav a {
  font-size: .82rem;
  font-weight: 500;
  color: var(--gray-400);
  text-decoration: none;
  transition: color var(--transition-fast)
}

.footer-nav a:hover {
  color: white
}

.footer-copy {
  font-size: .75rem;
  color: var(--gray-500)
}

/* ANIMATIONS */
.animate-fade-up {
  opacity: 0;
  transform: translateY(28px);
  animation: fadeUp .8s var(--ease-out) forwards
}

.delay-1 {
  animation-delay: .15s
}

.delay-2 {
  animation-delay: .3s
}

.delay-3 {
  animation-delay: .45s
}

.delay-4 {
  animation-delay: .6s
}

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0)
  }
}

.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity .7s var(--ease-out), transform .7s var(--ease-out)
}

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

.reveal.delay-1 {
  transition-delay: .12s
}

.reveal.delay-2 {
  transition-delay: .24s
}

/* RESPONSIVE */
@media(max-width:968px) {
  .about-layout {
    grid-template-columns: 1fr;
    gap: var(--space-8)
  }

  .about-text .section-label,
  .about-text .section-title {
    text-align: center
  }

  .about-description {
    text-align: center
  }

  .services-grid,
  .skills-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto
  }

  .contact-wrapper {
    grid-template-columns: 1fr
  }

  .form-row {
    grid-template-columns: 1fr
  }
}

@media(max-width:768px) {
  :root {
    --nav-height: 64px
  }

  .nav-toggle {
    display: flex
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: var(--space-8);
    padding: var(--space-12);
    transition: right var(--transition-base);
    box-shadow: -8px 0 32px rgba(0, 0, 0, 0.08)
  }

  .nav-menu.open {
    right: 0
  }

  .nav-link {
    font-size: 1.05rem
  }

  .hero {
    min-height: calc(100vh - var(--nav-height))
  }

  .hero-scroll {
    display: none
  }

  .hide-mobile {
    display: none
  }

  .footer-inner {
    flex-direction: column;
    text-align: center
  }

  .footer-nav {
    justify-content: center
  }
}

@media(max-width:480px) {
  .hero-actions {
    flex-direction: column;
    align-items: center
  }

  .btn {
    width: 100%;
    max-width: 280px
  }

  .service-card,
  .skill-category {
    padding: var(--space-6)
  }
}