/* Base Reset & Variables */
:root {
    --primary: #0abab5; /* Tiffany Blue */
    --primary-dark: #089b96;
    --primary-light: #e6f7f6;
    --secondary: #2c3e50;
    --text-main: #333333;
    --text-light: #777777;
    --bg-light: #f9fdfc;
    --bg-white: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.4);
    
    --font-heading: 'Playfair Display', 'Noto Sans JP', serif; /* Optional serif for luxury */
    --font-body: 'Noto Sans JP', sans-serif;
    
    --transition: all 0.3s ease;
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 40px rgba(0, 186, 181, 0.15);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--text-main);
    line-height: 1.6;
    background-color: var(--bg-white);
    -webkit-font-smoothing: antialiased;
}

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

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

/* Layout Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 6rem 0;
}

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

/* Typography */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.3;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    color: var(--secondary);
    margin-bottom: 0.5rem;
    font-family: var(--font-heading);
}

.section-subtitle {
    color: var(--primary);
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* Buttons */
.btn-primary {
    display: inline-block;
    background-color: var(--primary);
    color: #fff;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 500;
    font-size: 1.1rem;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    display: inline-block;
    background-color: transparent;
    color: var(--text-main);
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 500;
    font-size: 1.1rem;
    border: 1px solid var(--text-main);
}

.btn-secondary:hover {
    background-color: var(--text-main);
    color: #fff;
}

.btn-primary-outline {
    display: inline-block;
    border: 2px solid var(--primary);
    color: var(--primary);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-weight: 500;
}

.btn-primary-outline:hover {
    background-color: var(--primary);
    color: #fff;
}

.btn-large {
    font-size: 1.2rem;
    padding: 1.25rem 3.5rem;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
    padding: 1.5rem 0;
}

.navbar.scrolled {
    background-color: rgba(10, 186, 181, 0.85); /* Tiffany Blue slightly transparent */
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    box-shadow: 0 4px 15px rgba(0, 186, 181, 0.2);
}

/* スクロール後：ロゴを明るく白に */
.navbar.scrolled .nav-logo {
    filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.6))
            drop-shadow(0 0 20px rgba(255, 255, 255, 0.3))
            brightness(10) contrast(0.9);
}

.navbar.scrolled .nav-logo:hover {
    filter: drop-shadow(0 0 12px rgba(255, 255, 255, 0.8))
            drop-shadow(0 0 30px rgba(255, 255, 255, 0.4))
            brightness(10) contrast(1);
    transform: scale(1.06);
}

/* スクロール時のテキストやボタン白抜き調整 */
.navbar.scrolled .nav-menu a {
    color: #ffffff;
}

.navbar.scrolled .nav-menu a.btn-primary-outline {
    border-color: #ffffff;
}

.navbar.scrolled .nav-menu a.btn-primary-outline:hover {
    background-color: #ffffff;
    color: var(--primary-dark);
}

.navbar.scrolled .mobile-menu-btn span {
    background-color: #ffffff;
}

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

.logo-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    transition: transform 0.4s ease;
}

.logo-link:hover {
    transform: scale(1.06);
}

.nav-logo {
    height: 52px;
    object-fit: contain;
    /* ゴーストヘッダー風: 明るく白っぽく、繊細なティファニーブルーのグロー */
    filter: drop-shadow(0 0 6px rgba(10, 186, 181, 0.35))
            drop-shadow(0 0 16px rgba(10, 186, 181, 0.15))
            brightness(10) contrast(0.95);
    transition: filter 0.5s ease, transform 0.5s ease;
    animation: logo-fade-in 1.5s ease-out forwards;
}

.nav-logo:hover {
    filter: drop-shadow(0 0 10px rgba(10, 186, 181, 0.55))
            drop-shadow(0 0 24px rgba(10, 186, 181, 0.25))
            brightness(10) contrast(1);
}

/* 上品なフェードイン + ティファニーブルーのグロー演出 */
@keyframes logo-fade-in {
    0% {
        opacity: 0;
        transform: translateY(-8px);
        filter: drop-shadow(0 0 0px transparent) brightness(10);
    }
    50% {
        opacity: 0.7;
        transform: translateY(2px);
        filter: drop-shadow(0 0 20px rgba(10, 186, 181, 0.6))
                drop-shadow(0 0 40px rgba(10, 186, 181, 0.3))
                brightness(10) contrast(0.95);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
        filter: drop-shadow(0 0 6px rgba(10, 186, 181, 0.35))
                drop-shadow(0 0 16px rgba(10, 186, 181, 0.15))
                brightness(10) contrast(0.95);
    }
}

/* ロゴテキスト「RICANOL78」 */
.logo-text {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: 3px;
    margin-left: 0.6rem;
    animation: logo-text-fade-in 1.5s ease-out forwards,
               logo-color-shift 14s ease-in-out 2s infinite;
    opacity: 0;
    text-shadow: 0 0 12px rgba(7, 138, 134, 0.25);
    transition: text-shadow 0.4s ease;
}

.logo-link:hover .logo-text {
    text-shadow: 0 0 20px rgba(7, 138, 134, 0.5);
}

/* テキストのフェードイン */
@keyframes logo-text-fade-in {
    0% {
        opacity: 0;
        transform: translateX(-10px);
        color: #ffffff;
    }
    100% {
        opacity: 1;
        transform: translateX(0);
        color: #ffffff;
    }
}

/* 白 ↔ 濃いティファニーブルーの緩やかな色変化 */
@keyframes logo-color-shift {
    0%, 100% {
        color: #ffffff;
        text-shadow: 0 0 12px rgba(255, 255, 255, 0.3);
    }
    50% {
        color: #067a77;
        text-shadow: 0 0 16px rgba(6, 122, 119, 0.45);
    }
}

/* スクロール後のロゴテキスト */
.navbar.scrolled .logo-text {
    color: #ffffff;
    text-shadow: 0 0 14px rgba(255, 255, 255, 0.35);
    animation: logo-text-fade-in 1.5s ease-out forwards;
}

.nav-menu ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

/* 先端未来技術風ナビボタン — 初期状態はクリーン */
.nav-menu a:not(.nav-jello-btn) {
    position: relative;
    font-weight: 600;
    color: var(--secondary);
    font-size: 0.9rem;
    letter-spacing: 1px;
    padding: 0.5rem 1.2rem;
    border: 1px solid transparent;
    border-radius: 4px;
    background: transparent;
    overflow: hidden;
    transition: all 0.4s ease;
}

/* ネオンの下辺エッジライン（ホバー時に出現） */
.nav-menu a:not(.nav-jello-btn)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    transition: width 0.4s ease;
}

.nav-menu a:not(.nav-jello-btn):hover {
    color: var(--primary-dark);
    border-color: rgba(10, 186, 181, 0.15);
    background: rgba(10, 186, 181, 0.04);
}

.nav-menu a:not(.nav-jello-btn):hover::after {
    width: 70%;
}

/* スクロール後のナビボタン（ゴーストヘッダー） */
.navbar.scrolled .nav-menu a:not(.nav-jello-btn) {
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.08);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
}

.navbar.scrolled .nav-menu a:not(.nav-jello-btn)::after {
    background: linear-gradient(90deg, transparent, #ffffff, transparent);
}

.navbar.scrolled .nav-menu a:not(.nav-jello-btn):hover {
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.18);
    box-shadow: 0 0 16px rgba(255, 255, 255, 0.12),
                0 0 4px rgba(255, 255, 255, 0.08) inset;
}

/* Mobile Menu Button - Hidden by default */
.mobile-menu-btn {
    display: none;
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -2;
    transform: scale(1.05);
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    z-index: -1;
}

.hero-container {
    position: relative;
    z-index: 2;
    padding-top: 80px;
}

.hero-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    padding: 4rem;
    border-radius: 20px;
    max-width: 650px;
    box-shadow: var(--shadow-lg);
}

.hero-subtitle {
    font-size: 0.9rem;
    letter-spacing: 2px;
    color: var(--primary);
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero-title {
    font-size: 3rem;
    color: var(--secondary);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-desc {
    font-size: 1.15rem;
    color: var(--text-light);
    margin-bottom: 2.5rem;
    text-align: center;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Features Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    margin-top: 3rem;
}

.feature-card {
    background: #fff;
    padding: 3rem 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid rgba(0, 186, 181, 0.1);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.feature-icon {
    width: 72px;
    height: 72px;
    background-color: var(--primary-light);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--secondary);
}

.feature-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Usage Section */
.flex-container {
    display: flex;
    align-items: center;
    gap: 5rem;
}

.usage-content {
    flex: 1;
}

.usage-visual {
    flex: 1;
    display: flex;
    justify-content: center;
}

.glass-box {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 1;
    background: linear-gradient(135deg, var(--bg-white) 0%, var(--primary-light) 100%);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    position: relative;
    padding: 2rem;
}

.usage-logo {
    max-width: 90%;
    animation: float 6s ease-in-out infinite;
}

.usage-tag {
    position: absolute;
    bottom: 40px;
    background-color: var(--primary);
    color: #fff;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(0, 186, 181, 0.4);
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

.divider {
    width: 60px;
    height: 4px;
    background-color: var(--primary);
    margin: 1.5rem 0;
    border-radius: 2px;
}

.usage-desc {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 2.5rem;
}

.usage-list {
    list-style: none;
}

.usage-list li {
    display: flex;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.check-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background-color: var(--primary);
    color: white;
    border-radius: 50%;
    font-size: 0.8rem;
    flex-shrink: 0;
    margin-top: 3px;
}

.usage-list strong {
    display: block;
    color: var(--secondary);
    margin-bottom: 0.25rem;
    font-size: 1.1rem;
}

.usage-list span {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Specs Section */
.specs-table-container {
    max-width: 800px;
    margin: 0 auto;
    background: #fff;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
}

.specs-table th, .specs-table td {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid #edf2f7;
    text-align: left;
}

.specs-table th {
    background-color: var(--bg-light);
    width: 30%;
    color: var(--secondary);
    font-weight: 600;
}

.specs-table td {
    color: var(--text-main);
}

.specs-table tr:last-child th,
.specs-table tr:last-child td {
    border-bottom: none;
}

.note {
    display: block;
    font-size: 0.8rem;
    color: var(--text-light);
    margin-top: 0.5rem;
}

/* Evidence Text */
.evidence-text {
    max-width: 680px;
    margin: 0 auto;
    text-align: left;
    line-height: 1.9;
    color: var(--secondary);
    font-size: 1.05rem;
}

.evidence-text p {
    margin-bottom: 1.2em;
}

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

.evidence-highlight {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--primary-dark);
    padding: 0.8em 1.2em;
    background: var(--primary-light);
    border-left: 4px solid var(--primary);
    border-radius: 0 8px 8px 0;
}

/* Lineup Description */
.lineup-desc {
    text-align: center;
    max-width: 680px;
    margin: 1.5rem auto 0;
    line-height: 1.9;
    color: var(--secondary);
    font-size: 1.05rem;
}

.lineup-desc p {
    margin-bottom: 0.8em;
}

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

.lineup-lead {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-dark);
    letter-spacing: 0.05em;
    margin-bottom: 1em;
}

/* Fancy Animated Store Button */
.fancy-store-btn {
  position: relative;
  /* width and height adapted for text length */
  padding: 1rem 3rem;
  background-color: #000;
  display: inline-flex;
  align-items: center;
  color: white;
  justify-content: center;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 1px;
  margin-top: 1rem;
  z-index: 10;
}

.fancy-store-btn::before {
  content: '';
  position: absolute;
  inset: -4px; /* makes it 4px larger on all sides */
  margin: auto;
  border-radius: 10px;
  background: linear-gradient(-45deg, #e81cff 0%, #40c9ff 100% );
  z-index: -10;
  pointer-events: none;
  transition: all 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.fancy-store-btn::after {
  content: "";
  z-index: -1;
  position: absolute;
  inset: 0;
  background: linear-gradient(-45deg, #fc00ff 0%, #00dbde 100% );
  transform: translate3d(0, 0, 0) scale(0.95);
  filter: blur(20px);
}

.fancy-store-btn:hover::after {
  filter: blur(30px);
}

.fancy-store-btn:hover::before {
  transform: rotate(-180deg);
}

.fancy-store-btn:active::before {
  scale: 0.7;
}

.fancy-store-btn:hover {
  color: white;
}

/* CTA Section & Wave Divider */
.cta-section {
    position: relative;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    padding: 6rem 0;
    text-align: center;
    margin-top: 5rem; /* 波のゆらぎが上の赤い枠と被らないように間隔を確保 */
}

.wave-divider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
    transform: translateY(-99%);
    z-index: 5;
}

.wave-svg {
    position: relative;
    display: block;
    width: calc(150% + 1.3px);
    height: 100px;
}

/* Animations for waves */
.parallax-waves > use {
    animation: move-forever 25s cubic-bezier(.55,.5,.45,.5) infinite;
}
.parallax-waves > use:nth-child(1) { animation-delay: -2s; animation-duration: 16s; }
.parallax-waves > use:nth-child(2) { animation-delay: -3s; animation-duration: 24s; }
.parallax-waves > use:nth-child(3) { animation-delay: -4s; animation-duration: 32s; }
.parallax-waves > use:nth-child(4) { animation-delay: -5s; animation-duration: 48s; }

@keyframes move-forever {
    0% { transform: translate3d(-90px, 0, 0); }
    100% { transform: translate3d(85px, 0, 0); }
}

.cta-container h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #fff;
}

.cta-container p {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

.cta-section .btn-primary {
    background-color: #fff;
    color: var(--primary-dark);
}

.cta-section .btn-primary:hover {
    background-color: var(--bg-light);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Footer */
.footer {
    background-color: var(--secondary);
    color: #fff;
    padding: 4rem 0 2rem;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 3rem;
    margin-bottom: 2rem;
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    height: 40px;
    margin-bottom: 1rem;
    filter: brightness(0) invert(1);
}

.footer-brand p {
    opacity: 0.7;
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: #fff;
    opacity: 0.8;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--primary);
}

.footer-bottom {
    text-align: center;
    opacity: 0.5;
    font-size: 0.85rem;
}

/* Animations */
.fade-in, .fade-in-up, .fade-in-left, .fade-in-right {
    opacity: 0;
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-up {
    transform: translateY(30px);
}

.fade-in-left {
    transform: translateX(-30px);
}

.fade-in-right {
    transform: translateX(30px);
}

.is-visible {
    opacity: 1;
    transform: translate(0);
}

/* Nav Jello Animated Button */
.nav-jello-btn {
  position: relative;
  width: 140px;
  height: 42px;
  border-radius: 42px;
  border: none;
  background-color: var(--primary); /* ティファニーブルー */
  color: white !important;
  box-shadow: 0px 8px 10px rgba(255, 255, 255, 0.5) inset,
  0px 4px 8px rgba(0, 0, 0, 0.15),
  0px -6px 10px var(--primary-dark) inset;
  cursor: pointer;
  display: flex !important;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
}

.nav-jello-btn::before {
  width: 70%;
  height: 2px;
  position: absolute;
  background-color: rgba(255, 255, 255, 0.7);
  content: "";
  filter: blur(1px);
  top: 5px;
  border-radius: 50%;
}

.nav-jello-btn::after {
  width: 70%;
  height: 2px;
  position: absolute;
  background-color: rgba(0, 0, 0, 0.1);
  content: "";
  filter: blur(1px);
  bottom: 5px;
  border-radius: 50%;
}

.nav-jello-btn:hover {
  animation: jello-horizontal 0.9s both;
}

@keyframes jello-horizontal {
  0% { transform: scale3d(1, 1, 1); }
  30% { transform: scale3d(1.25, 0.75, 1); }
  40% { transform: scale3d(0.75, 1.25, 1); }
  50% { transform: scale3d(1.15, 0.85, 1); }
  65% { transform: scale3d(0.95, 1.05, 1); }
  75% { transform: scale3d(1.05, 0.95, 1); }
  100% { transform: scale3d(1, 1, 1); }
}

/* Responsive */
@media (max-width: 991px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .flex-container {
        flex-direction: column;
        gap: 3rem;
    }
    
    .usage-visual {
        order: -1;
    }
}

@media (max-width: 768px) {
    body, html {
        overflow-x: hidden;
    }

    .container {
        padding: 0 1.25rem;
    }

    .section {
        padding: 3.5rem 0;
    }

    .section-header {
        margin-bottom: 2.5rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    /* モバイルロゴテキスト */
    .logo-text {
        font-size: 1.1rem;
        letter-spacing: 2px;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--bg-white);
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        display: block;
    }
    
    .nav-menu ul {
        flex-direction: column;
        gap: 1rem;
        padding: 0 1.5rem;
    }

    .nav-menu a:not(.nav-jello-btn) {
        display: block;
        text-align: center;
        padding: 0.75rem 1.5rem;
    }

    .navbar.scrolled .nav-menu {
        background-color: rgba(10, 186, 181, 0.95);
    }

    .mobile-menu-btn {
        display: flex;
        flex-direction: column;
        gap: 6px;
        cursor: pointer;
        z-index: 1001;
    }
    
    .mobile-menu-btn span {
        width: 30px;
        height: 2px;
        background-color: var(--secondary);
        transition: var(--transition);
    }
    
    .mobile-menu-btn.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-btn.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .hero {
        min-height: 100svh;
        height: auto;
    }

    .hero-container {
        padding-top: 40px;
        padding-bottom: 40px;
    }

    .hero-title {
        font-size: 1.8rem;
    }

    .hero-desc {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .hero-card {
        padding: 1.5rem;
        margin: 0 1rem;
    }

    .hero-actions {
        flex-direction: column;
        gap: 0.75rem;
    }

    .btn-primary, .btn-secondary, .btn-large {
        width: 100%;
        text-align: center;
        padding: 1rem 1.5rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .feature-card {
        padding: 2rem 1.5rem;
    }

    /* Specs Table Responsive */
    .specs-table th, .specs-table td {
        display: block;
        width: 100%;
        padding: 1rem 1.25rem;
    }

    .specs-table th {
        background-color: var(--primary-light);
        border-bottom: none;
        padding-bottom: 0.5rem;
    }

    .specs-table td {
        border-bottom: 2px solid #edf2f7;
        padding-top: 0.5rem;
    }

    .specs-table tr:last-child td {
        border-bottom: none;
    }
    
    .footer-container {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 1.25rem;
    }
}