/* ============================================================
   ROOT DESIGN SYSTEM (Premium NGO Palette)
   ============================================================ */
:root {
    --color-primary-dark: #064e3b;
    --color-primary-base: #0b6623;
    --color-accent-gold: #f59e0b;
    --color-accent-blue: #2563eb;
    --color-white: #ffffff;
    --color-off-white: #f8fafc;
    --color-slate-light: #e2e8f0;
    --text-primary-dark: #0f172a;
    --text-secondary-muted: #475569;
    --text-disabled: #94a3b8;
    --border-radius-pill: 50px;
    --border-radius-card: 16px;
    --border-radius-sm: 8px;
    --transition-premium: cubic-bezier(0.4, 0, 0.2, 1);
    --fs-h1: 34px;
    --fs-h2: 28px;
    --fs-h3: 24px;
    --fs-h4: 22px;
    --fs-h5: 18px;
    --fs-body: 14px;
    --fs-small: 12px;
}

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

html {
    scroll-behavior: smooth;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    font-size: var(--fs-body);
    color: var(--text-primary-dark);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background: var(--color-white);
    overflow-x: hidden;
}

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

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

.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 5%;
}

.section-padding {
    padding: 96px 0;
}

.section-padding-sm {
    padding: 64px 0;
}

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

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1 {
    font-size: var(--fs-h1);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--text-primary-dark);
}

h2 {
    font-size: var(--fs-h2);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.015em;
    color: var(--text-primary-dark);
}

h3 {
    font-size: var(--fs-h3);
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-primary-dark);
}

h4 {
    font-size: var(--fs-h4);
    font-weight: 600;
    line-height: 1.35;
    color: var(--text-primary-dark);
}

p {
    font-size: var(--fs-body);
    color: var(--text-secondary-muted);
    line-height: 1.7;
}

.text-small {
    font-size: var(--fs-small);
    letter-spacing: 0.04em;
    color: var(--text-disabled);
}

.text-uppercase {
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.tag {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-accent-blue);
    display: inline-block;
    margin-bottom: 8px;
}

.tag-green {
    color: var(--color-primary-base);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-cta {
    display: inline-block;
    background: var(--color-accent-gold);
    color: var(--color-white);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.9rem 2.4rem;
    border-radius: var(--border-radius-pill);
    border: none;
    cursor: pointer;
    transition: transform 0.3s var(--transition-premium), box-shadow 0.3s var(--transition-premium);
    text-align: center;
}

.btn-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(245, 158, 11, 0.25);
}

.btn-primary-pill {
    display: inline-block;
    background: var(--color-primary-dark);
    color: var(--color-white);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.9rem 2.6rem;
    border-radius: var(--border-radius-pill);
    border: none;
    cursor: pointer;
    transition: background 0.3s var(--transition-premium), transform 0.3s var(--transition-premium);
    text-align: center;
}

.btn-primary-pill:hover {
    background: var(--color-primary-base);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(6, 78, 59, 0.2);
}

.btn-outline-dark {
    display: inline-block;
    background: transparent;
    color: var(--text-primary-dark);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.9rem 2.6rem;
    border-radius: var(--border-radius-pill);
    border: 2px solid var(--color-slate-light);
    cursor: pointer;
    transition: all 0.3s var(--transition-premium);
    text-align: center;
}

.btn-outline-dark:hover {
    border-color: var(--color-primary-dark);
    background: var(--color-off-white);
    transform: translateY(-3px);
}

/* ============================================================
   1.  NAVBAR (Sticky, Transparent → Solid)
   ============================================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 5%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: background 0.4s var(--transition-premium), box-shadow 0.4s var(--transition-premium);
    background: transparent;
}

.navbar.scrolled {
    background: transparent;
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

/* Logo */
.navbar .logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.navbar .logo img {
    height: 80px;
    width: auto;
    border-radius: 4px;
}

.navbar .logo .logo-text {
    font-weight: 800;
    font-size: 1.1rem;
    letter-spacing: 0.02em;
    color: var(--color-white);
    transition: color 0.3s var(--transition-premium);
}

.navbar .logo .logo-text span {
    font-weight: 300;
    font-size: 0.85rem;
    letter-spacing: 0.12em;
    opacity: 0.85;
}

.navbar.scrolled .logo .logo-text {
    color: var(--text-primary-dark);
}

/* Nav Links */
.nav-links {
    display: flex;
    align-items: center;
    gap: 2.2rem;
    list-style: none;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    transition: color 0.3s var(--transition-premium);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 0;
    height: 2px;
    background: var(--color-accent-gold);
    transition: width 0.3s var(--transition-premium);
}

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

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

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

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

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

/* Nav CTA button */
.nav-cta {
    background: var(--color-accent-gold);
    color: var(--color-white) !important;
    padding: 0.5rem 1.6rem;
    border-radius: var(--border-radius-pill);
    font-weight: 600;
    font-size: 0.85rem;
    transition: transform 0.3s var(--transition-premium), box-shadow 0.3s var(--transition-premium);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(245, 158, 11, 0.3);
    color: var(--color-white) !important;
}

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

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: transparent;
    border: none;
    padding: 4px;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 26px;
    height: 2.5px;
    background: var(--color-white);
    border-radius: 4px;
    transition: all 0.3s var(--transition-premium);
    transform-origin: center;
}

.navbar.scrolled .hamburger span {
    background: var(--text-primary-dark);
}

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

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu Overlay */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(6, 78, 59, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s var(--transition-premium), visibility 0.4s var(--transition-premium);
}

.mobile-menu.open {
    opacity: 1;
    visibility: visible;
}

.mobile-menu a {
    color: var(--color-white);
    font-size: 1.6rem;
    font-weight: 500;
    transition: opacity 0.3s var(--transition-premium);
}

.mobile-menu a:hover {
    opacity: 0.7;
}

.mobile-menu .mobile-cta {
    background: var(--color-accent-gold);
    color: var(--color-white);
    padding: 0.8rem 2.4rem;
    border-radius: var(--border-radius-pill);
    font-weight: 600;
    font-size: 1.1rem;
    margin-top: 0.5rem;
}

/* ============================================================
   2.  FOOTER (Premium Redesign)
   ============================================================ */
.footer {
    background: #0b1a1a;
    color: rgba(255, 255, 255, 0.75);
    padding: 4rem 5% 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.footer .container {
    max-width: 1240px;
    margin: 0 auto;
}

/* Grid Layout */
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 2.5rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

/* === Column 1: Brand === */
.footer-brand .logo-footer {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.footer-brand .logo-footer img {
    height: 48px;
    width: auto;
    border-radius: 6px;
    filter: brightness(0) invert(1);
}

.footer-brand .logo-footer span {
    font-weight: 800;
    font-size: 1.1rem;
    letter-spacing: 0.02em;
    color: var(--color-white);
    line-height: 1.2;
}

.footer-brand .logo-footer span span {
    font-weight: 300;
    font-size: 0.8rem;
    letter-spacing: 0.12em;
    opacity: 0.6;
    display: block;
}

.footer-brand p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
    max-width: 320px;
    line-height: 1.7;
    margin-bottom: 14px;
}

.footer-legal-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: rgba(255, 255, 255, 0.3);
    padding: 4px 12px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 20px;
}

.footer-legal-badge i {
    color: var(--color-accent-gold);
    font-size: 0.65rem;
}

.footer-legal-badge strong {
    color: rgba(255, 255, 255, 0.6);
    font-weight: 600;
}

/* === Columns 2, 3, 4 === */
.footer-col h4 {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color:  var(--color-accent-gold);
    margin-bottom: 1.2rem;
    font-weight: 600;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 28px;
    height: 2px;
    background: var(--color-accent-gold);
    opacity: 0.4;
}

.footer-col address {
    font-style: normal;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 2;
}

.footer-col address .contact-line {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 6px;
}

.footer-col address .contact-line i {
    width: 18px;
    margin-top: 3px;
    color: var(--color-accent-gold);
    opacity: 0.5;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.footer-col address .contact-line a {
    color: rgba(255, 255, 255, 0.6);
    transition: color 0.3s var(--transition-premium);
}

.footer-col address .contact-line a:hover {
    color: var(--color-white);
}

.footer-col address .contact-line .sub-text {
    font-size: 0.8rem;
    opacity: 0.6;
}

/* Quick Links */
.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 0.5rem;
}

.footer-col ul li a {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.45);
    transition: color 0.3s var(--transition-premium);
    position: relative;
    padding-left: 0;
}

.footer-col ul li a::before {
    content: '›';
    margin-right: 6px;
    color: var(--color-accent-gold);
    opacity: 0.3;
    transition: opacity 0.3s var(--transition-premium);
}

.footer-col ul li a:hover {
    color: var(--color-white);
}

.footer-col ul li a:hover::before {
    opacity: 0.8;
}

/* === Column 4: Social & Newsletter === */
.footer-social .social-icons {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.footer-social .social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.04);
    color: rgba(255, 255, 255, 0.4);
    font-size: 1rem;
    transition: all 0.3s var(--transition-premium);
    border: 1px solid rgba(255, 255, 255, 0.04);
}

.footer-social .social-icons a:hover {
    background: rgba(245, 158, 11, 0.12);
    color: var(--color-accent-gold);
    border-color: rgba(245, 158, 11, 0.15);
    transform: translateY(-3px);
}

.footer-social .newsletter-text {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.35);
    line-height: 1.6;
    margin-bottom: 14px;
    max-width: 200px;
}

/* === Bottom Bar === */
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    padding-top: 1.5rem;
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.2);
    letter-spacing: 0.02em;
}

.footer-bottom .credit a {
    color: rgba(255, 255, 255, 0.3);
    transition: color 0.3s var(--transition-premium);
    font-weight: 500;
}

.footer-bottom .credit a:hover {
    color: var(--color-white);
}

/* ============================================================
   3.  NEWSLETTER FORM (Footer - FormSubmit)
   ============================================================ */
.newsletter-form {
    margin: 12px 0 18px;
    max-width: 100%;
}

.newsletter-input-group {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius-pill);
    overflow: hidden;
    transition: border-color 0.3s var(--transition-premium), box-shadow 0.3s var(--transition-premium);
}

.newsletter-input-group:focus-within {
    border-color: var(--color-accent-gold);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.08);
}

.newsletter-input-group input {
    flex: 1;
    padding: 0.7rem 1.2rem;
    border: none;
    background: transparent;
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    color: var(--color-white);
    outline: none;
    min-width: 0;
}

.newsletter-input-group input::placeholder {
    color: rgba(255, 255, 255, 0.25);
}

.newsletter-input-group input:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 30px #0b1a1a inset !important;
    -webkit-text-fill-color: var(--color-white) !important;
}

.newsletter-btn {
    padding: 0.7rem 1.2rem;
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.3s var(--transition-premium);
    font-size: 1rem;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.newsletter-btn:hover {
    color: var(--color-accent-gold);
    transform: translateX(2px);
}

.newsletter-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
}

.newsletter-btn:active {
    transform: scale(0.95);
}

.newsletter-feedback {
    font-size: 0.75rem;
    margin-top: 6px;
    min-height: 20px;
    transition: all 0.3s var(--transition-premium);
}

.newsletter-feedback.success {
    color: #4ade80;
}

.newsletter-feedback.error {
    color: #f87171;
}

.newsletter-feedback.loading {
    color: rgba(255, 255, 255, 0.3);
}

/* Formspree-specific (if used later) */
[data-fs-success] {
    color: #4ade80;
    font-size: 0.85rem;
    margin-bottom: 10px;
}

[data-fs-error] {
    color: #f87171;
    font-size: 0.85rem;
    margin-bottom: 10px;
}

[data-fs-error="email"] {
    display: block;
    font-size: 0.75rem;
    color: #f87171;
    margin-top: 4px;
}

.newsletter-input-group input[data-fs-field][aria-invalid="true"] {
    border-color: #f87171;
}

/* ============================================================
   RESPONSIVE FOOTER & NEWSLETTER
   ============================================================ */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }

    .footer-brand p {
        max-width: 100%;
    }

    .footer-social .newsletter-text {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding-bottom: 2rem;
    }

    .footer-brand .logo-footer img {
        height: 40px;
    }

    .footer-col h4::after {
        width: 24px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
        padding-top: 1.5rem;
    }

    .footer-social .social-icons {
        justify-content: flex-start;
    }

    .newsletter-input-group input {
        padding: 0.6rem 1rem;
        font-size: 0.8rem;
    }

    .newsletter-btn {
        padding: 0.6rem 1rem;
    }

    .footer-social .newsletter-text {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .footer {
        padding: 2.5rem 4% 1.5rem;
    }

    .footer-brand .logo-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .footer-brand .logo-footer img {
        height: 36px;
    }

    .footer-brand .logo-footer span {
        font-size: 1rem;
    }

    .footer-col address .contact-line {
        font-size: 0.85rem;
    }

    .footer-social .social-icons a {
        width: 36px;
        height: 36px;
        font-size: 0.85rem;
    }

    .newsletter-input-group {
        border-radius: 30px;
    }

    .newsletter-input-group input {
        padding: 0.6rem 0.8rem;
        font-size: 0.75rem;
    }

    .newsletter-btn {
        padding: 0.6rem 0.8rem;
        font-size: 0.85rem;
    }

    .footer-social .social-icons a {
        width: 36px;
        height: 36px;
        font-size: 0.8rem;
    }
}

/* ============================================================
   REVEAL ANIMATIONS
   ============================================================ */
.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.8s var(--transition-premium), transform 0.8s var(--transition-premium);
}

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

.reveal-d1 {
    transition-delay: 0.05s;
}
.reveal-d2 {
    transition-delay: 0.12s;
}
.reveal-d3 {
    transition-delay: 0.20s;
}
.reveal-d4 {
    transition-delay: 0.28s;
}
/* Floating WhatsApp Button with Label */
.whatsapp-float-wrapper {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 1000;
}

.whatsapp-float {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 20px 0 0;
    background: #25d366;
    color: var(--color-white);
    border-radius: 50px;
    text-decoration: none;
    box-shadow: 0 8px 28px rgba(37, 211, 102, 0.25);
    transition: all 0.3s var(--transition-premium);
    cursor: pointer;
    position: relative;
}

.whatsapp-float .fab {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    flex-shrink: 0;
}

.whatsapp-float .whatsapp-label {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--color-white);
    padding-right: 4px;
}

.whatsapp-float:hover {
    transform: scale(1.04);
    box-shadow: 0 12px 36px rgba(37, 211, 102, 0.35);
}

.whatsapp-float:active {
    transform: scale(0.96);
}

/* Pulse ring */
.whatsapp-float::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50px;
    border: 2px solid rgba(37, 211, 102, 0.15);
    animation: whatsapp-pulse 2.5s ease-in-out infinite;
}

@keyframes whatsapp-pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(1.2);
        opacity: 0;
    }
}

/* Responsive - hide label on mobile */
@media (max-width: 768px) {
    .whatsapp-float-wrapper {
        bottom: 20px;
        right: 20px;
    }
    
    .whatsapp-float .whatsapp-label {
        display: none;
    }
    
    .whatsapp-float {
        padding: 0;
        border-radius: 50%;
    }
    
    .whatsapp-float .fab {
        width: 52px;
        height: 52px;
        font-size: 26px;
    }
}

@media (max-width: 480px) {
    .whatsapp-float-wrapper {
        bottom: 16px;
        right: 16px;
    }
    
    .whatsapp-float .fab {
        width: 48px;
        height: 48px;
        font-size: 22px;
    }
}