/*
 * Complete CSS for Binh Coconut Theme - Self-contained
 * No external dependencies
 */

/* === RESET & BASE === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    line-height: 1.6;
    color: #1f2937;
    background-color: #ffffff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* === UTILITY CLASSES === */
.hidden { display: none !important; }
.block { display: block !important; }
.inline-block { display: inline-block !important; }
.flex { display: flex !important; }
.grid { display: grid !important; }
.

.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

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

.w-full { width: 100%; }
.h-full { height: 100%; }
.min-h-screen { min-height: 100vh; }

.mx-auto { margin-left: auto; margin-right: auto; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-12 { margin-bottom: 3rem; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mr-2 { margin-right: 0.5rem; }
.mr-3 { margin-right: 0.75rem; }
.mr-4 { margin-right: 1rem; }
.ml-2 { margin-left: 0.5rem; }

.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }
.py-16 { padding-top: 4rem; padding-bottom: 4rem; }

.space-x-6 > * + * { margin-left: 1.5rem; }
.space-x-8 > * + * { margin-left: 2rem; }
.space-y-3 > * + * { margin-top: 0.75rem; }
.space-y-4 > * + * { margin-top: 1rem; }
.space-y-6 > * + * { margin-top: 1.5rem; }

.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.gap-12 { gap: 3rem; }

/* === TEXT UTILITIES === */
.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; }
.text-4xl { font-size: 2.25rem; }
.text-5xl { font-size: 3rem; }
.text-6xl { font-size: 3.75rem; }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.leading-tight { line-height: 1.25; }
.leading-relaxed { line-height: 1.625; }

/* === COLORS === */
.text-white { color: #ffffff; }
.text-green-600 { color: #059669; }
.text-green-700 { color: #047857; }
.text-green-800 { color: #065f46; }
.text-green-100 { color: #dcfce7; }
.text-yellow-300 { color: #fde047; }
.text-yellow-200 { color: #fef08a; }
.text-gray-600 { color: #4b5563; }
.text-gray-700 { color: #374151; }

.bg-white { background-color: #ffffff; }
.bg-green-50 { background-color: #f0fdf4; }
.bg-green-100 { background-color: #dcfce7; }
.bg-green-500 { background-color: #22c55e; }
.bg-green-600 { background-color: #16a34a; }
.bg-green-700 { background-color: #15803d; }
.bg-green-800 { background-color: #166534; }
.bg-blue-50 { background-color: #eff6ff; }
.bg-blue-500 { background-color: #3b82f6; }
.bg-blue-600 { background-color: #2563eb; }
.bg-yellow-500 { background-color: #eab308; }
.bg-yellow-600 { background-color: #ca8a04; }

/* === BORDERS & SHADOWS === */
.border { border-width: 1px; }
.border-green-100 { border-color: #dcfce7; }
.border-gray-300 { border-color: #d1d5db; }
.border-t { border-top-width: 1px; }
.border-b { border-bottom-width: 1px; }

.rounded-md { border-radius: 0.375rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl { border-radius: 1rem; }
.rounded-full { border-radius: 9999px; }

.shadow-md { box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1); }
.shadow-lg { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1); }
.shadow-xl { box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1); }
.shadow-2xl { box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25); }

/* === TRANSITIONS === */
.transition-all { transition: all 150ms cubic-bezier(0.4, 0, 0.2, 1); }
.transition-colors { transition: color 150ms cubic-bezier(0.4, 0, 0.2, 1), background-color 150ms cubic-bezier(0.4, 0, 0.2, 1); }
.duration-300 { transition-duration: 300ms; }

.hover\:text-green-600:hover { color: #059669; }
.hover\:text-green-700:hover { color: #047857; }
.hover\:text-yellow-200:hover { color: #fef08a; }
.hover\:bg-green-700:hover { background-color: #15803d; }
.hover\:bg-yellow-600:hover { background-color: #ca8a04; }
.hover\:bg-green-600:hover { background-color: #16a34a; }
.hover\:bg-blue-600:hover { background-color: #2563eb; }
.hover\:shadow-lg:hover { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1); }

/* === POSITION === */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }
.top-0 { top: 0; }
.bottom-6 { bottom: 1.5rem; }
.left-6 { left: 1.5rem; }
.right-6 { right: 1.5rem; }
.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }

.z-10 { z-index: 10; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }

/* === HEADER === */
.header {
    background: #ffffff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 50;
}

.header__title a {
    text-decoration: none;
    color: inherit;
}

.header__toggle {
    cursor: pointer;
    border: none;
    background: transparent;
    padding: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.header__toggle-line {
    width: 1.5rem;
    height: 2px;
    background-color: #065f46;
    transition: all 0.3s ease;
}

.header__mobile-nav {
    background: white;
    border-top: 1px solid #dcfce7;
}

/* === HERO === */
.hero__wrapper {
    background: linear-gradient(135deg, #16a34a 0%, #15803d 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

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

.hero__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    mix-blend-mode: overlay;
}

.hero__content {
    position: relative;
    z-index: 10;
    padding: 5rem 0;
}

.hero__title {
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    margin-bottom: 1.5rem;
}

.hero__feature {
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.9);
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    margin: 0.5rem;
}

.hero__actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    margin-top: 2rem;
}

.hero__cta-primary,
.hero__cta-secondary {
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 200px;
    padding: 1rem 2rem;
    border-radius: 9999px;
    font-weight: 700;
    font-size: 1.125rem;
    transition: all 0.3s ease;
    transform: scale(1);
}

.hero__cta-primary:hover,
.hero__cta-secondary:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* === SECTIONS === */
.about__title-underline,
.services__title-underline,
.tips__title-underline,
.contact__title-underline {
    width: 6rem;
    height: 4px;
    background: linear-gradient(to right, #16a34a, #eab308);
    margin: 0 auto 1.5rem;
}

.about__feature,
.services__activity,
.tips__item {
    transition: all 0.3s ease;
    padding: 1.5rem;
    border-radius: 0.75rem;
    background: #ffffff;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

.about__feature:hover,
.services__activity:hover,
.tips__item:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.services__activities {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.services__price-box {
    background: #ffffff;
    border-radius: 1rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    padding: 2rem;
    margin-bottom: 4rem;
    border: 4px solid #eab308;
    position: relative;
    overflow: hidden;
}

/* === CONTACT === */
.contact__wrapper {
    background: linear-gradient(135deg, #166534 0%, #16a34a 100%);
    color: #ffffff;
}

.contact__detail {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}

.contact__detail:hover {
    transform: translateX(5px);
}

.contact__detail-icon {
    width: 3rem;
    height: 3rem;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    flex-shrink: 0;
}

.contact__form-box {
    background: #ffffff;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.contact__form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid #d1d5db;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.contact__form-input:focus {
    outline: none;
    border-color: #16a34a;
    box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.1);
}

.contact__action-btn {
    text-decoration: none;
    display: block;
    text-align: center;
    padding: 1rem 1.5rem;
    border-radius: 0.75rem;
    font-weight: 700;
    transition: all 0.3s ease;
    margin-bottom: 1rem;
}

/* === FOOTER === */
.footer {
    background: #166534;
    color: #ffffff;
}

.footer__social-link {
    color: #dcfce7;
    text-decoration: none;
    transition: all 0.3s ease;
    padding: 0.5rem;
    border-radius: 50%;
}

.footer__social-link:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* === RESPONSIVE === */
@media (min-width: 640px) {
    .sm\:block { display: block !important; }
    .sm\:flex-row { flex-direction: row; }
}

@media (min-width: 768px) {
    .md\:hidden { display: none !important; }
    .md\:flex { display: flex !important; }
    .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .md\:text-2xl { font-size: 1.5rem; }
    .md\:text-3xl { font-size: 1.875rem; }
    .md\:text-4xl { font-size: 2.25rem; }
    .md\:text-5xl { font-size: 3rem; }
    .hero__actions { flex-direction: row; }
    .container { padding: 0 1.5rem; }
}

@media (min-width: 1024px) {
    .lg\:hidden { display: none !important; }
    .lg\:block { display: block !important; }
    .lg\:flex { display: flex !important; }
    .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .lg\:px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
    .lg\:py-4 { padding-top: 1rem; padding-bottom: 1rem; }
    .lg\:py-16 { padding-top: 4rem; padding-bottom: 4rem; }
    .lg\:py-24 { padding-top: 6rem; padding-bottom: 6rem; }
    .lg\:text-3xl { font-size: 1.875rem; }
    .lg\:text-5xl { font-size: 3rem; }
    .lg\:gap-8 { gap: 2rem; }
    .lg\:gap-16 { gap: 4rem; }
    .lg\:mb-16 { margin-bottom: 4rem; }
}

@media (min-width: 1280px) {
    .xl\:space-x-8 > * + * { margin-left: 2rem; }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translate3d(0,0,0);
    }
    40%, 43% {
        transform: translate3d(0, -30px, 0);
    }
    70% {
        transform: translate3d(0, -15px, 0);
    }
    90% {
        transform: translate3d(0,-4px,0);
    }
}

.animate-bounce {
    animation: bounce 1s infinite;
}

/* === LINKS === */
a {
    color: inherit;
    text-decoration: none;
}

a:hover {
    text-decoration: none;
}

/* === FORMS === */
button {
    cursor: pointer;
    border: none;
    background: transparent;
}

input, select, textarea {
    font-family: inherit;
}

/* === UTILITIES === */
.no-underline {
    text-decoration: none !important;
}

.object-cover {
    object-fit: cover;
}

.flex-shrink-0 {
    flex-shrink: 0;
}

.flex-col {
    flex-direction: column;
}

.max-w-4xl { max-width: 56rem; }
.max-w-3xl { max-width: 48rem; }
.max-w-2xl { max-width: 42rem; }

.w-6 { width: 1.5rem; }
.h-10 { height: 2.5rem; }
.w-12 { width: 3rem; }
.h-12 { height: 3rem; }
.w-16 { width: 4rem; }
.h-16 { height: 4rem; }
.w-24 { width: 6rem; }
.h-1 { height: 0.25rem; }
.h-3 { height: 0.75rem; }
.h-0\.5 { height: 2px; }

.opacity-0 { opacity: 0; }
.opacity-100 { opacity: 1; }
.invisible { visibility: hidden; }
.visible { visibility: visible; }

/* === BACKGROUND GRADIENTS === */
.bg-gradient-to-br {
    background-image: linear-gradient(to bottom right, var(--tw-gradient-stops));
}

.from-green-50 {
    --tw-gradient-from: #f0fdf4;
    --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(240, 253, 244, 0));
}

.to-blue-50 {
    --tw-gradient-to: #eff6ff;
}

.from-green-800 {
    --tw-gradient-from: #166534;
    --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(22, 101, 52, 0));
}

.to-green-600 {
    --tw-gradient-to: #16a34a;
}

.from-yellow-400 {
    --tw-gradient-from: #facc15;
    --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(250, 204, 21, 0));
}

.to-orange-500 {
    --tw-gradient-to: #f97316;
} 

/* === Extra utilities for landing page layout === */
.flex-wrap { flex-wrap: wrap; }
.mb-10 { margin-bottom: 2.5rem; }
.mt-10 { margin-top: 2.5rem; }
.mt-12 { margin-top: 3rem; }
.py-20 { padding-top: 5rem; padding-bottom: 5rem; }
.pt-4 { padding-top: 1rem; }
.pb-2 { padding-bottom: 0.5rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.text-green-900 { color: #064e3b; }
.text-blue-700 { color: #1d4ed8; }
.text-blue-800 { color: #1e40af; }
.text-orange-600 { color: #ea580c; }
.text-yellow-600 { color: #ca8a04; }
.bg-yellow-50 { background-color: #fefce8; }
.bg-orange-50 { background-color: #fff7ed; }
.bg-orange-100 { background-color: #ffedd5; }
.bg-purple-50 { background-color: #faf5ff; }
.bg-purple-100 { background-color: #f3e8ff; }
.bg-pink-50 { background-color: #fdf2f8; }
.bg-pink-100 { background-color: #fce7f3; }
.bg-teal-50 { background-color: #f0fdfa; }
.bg-teal-100 { background-color: #ccfbf1; }
.bg-red-50 { background-color: #fef2f2; }
.bg-red-100 { background-color: #fee2e2; }
.bg-black { background-color: #000000; }
.border-2 { border-width: 2px; }
.border-4 { border-width: 4px; }
.border-l-4 { border-left-width: 4px; }
.border-green-400 { border-color: #34d399; }
.border-green-700 { border-color: #15803d; }
.border-yellow-400 { border-color: #f59e0b; }
.border-orange-400 { border-color: #fb923c; }
.border-blue-200 { border-color: #bfdbfe; }
.border-blue-400 { border-color: #60a5fa; }
.border-purple-400 { border-color: #c4b5fd; }
.border-red-200 { border-color: #fecaca; }
.border-white { border-color: #ffffff; }
.left-1\/2 { left: 50%; }
.transform { transform: translate(0, 0); }
.-translate-x-1\/2 { transform: translateX(-50%); }
.w-4 { width: 1rem; }
.w-1 { width: 0.25rem; }
.h-64 { height: 16rem; }
.bg-opacity-20 { opacity: 0.2; }
.bg-opacity-90 { opacity: 0.9; }
.overflow-hidden { overflow: hidden; }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@media (min-width: 768px) {
    .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}