/* ============================================
   IV SOLAR - DESIGN SYSTEM (basic.css)
   All classes prefixed with ivsolar-
   Brand: Olive Green + Orange
   ============================================ */

/* ----------------------------------------
   CSS VARIABLES
   ---------------------------------------- */
:root {
    /* Primary Colors */
    --ivsolar-olive: #8C9E72;
    --ivsolar-orange: #E58423;

    /* Secondary Colors */
    --ivsolar-teal: #39665A;
    --ivsolar-cream: #FFFAE2;

    /* Gradient */
    --ivsolar-gradient: linear-gradient(69deg, #E58423, #F4BC6B);
    --ivsolar-gradient-reverse: linear-gradient(69deg, #F4BC6B, #E58423);

    /* Derived Colors */
    --ivsolar-orange-hover: #C96F1C;
    --ivsolar-orange-light: rgba(229, 132, 35, 0.12);
    --ivsolar-orange-border: rgba(229, 132, 35, 0.25);
    --ivsolar-olive-light: rgba(140, 158, 114, 0.12);
    --ivsolar-teal-light: rgba(57, 102, 90, 0.1);
    --ivsolar-cream-dark: #F5EFD0;

    /* Neutrals */
    --ivsolar-white: #FFFFFF;
    --ivsolar-text: #2D3B2A;
    --ivsolar-text-muted: #5A6B55;
    --ivsolar-text-light: rgba(45, 59, 42, 0.65);
    --ivsolar-border: rgba(140, 158, 114, 0.2);

    /* Typography */
    --ivsolar-font-heading: 'Montserrat', sans-serif;
    --ivsolar-font-body: 'Poppins', sans-serif;

    /* Layout */
    --ivsolar-max-width: 1200px;
    --ivsolar-header-height: 80px;
    --ivsolar-header-height-mobile: 64px;
    --ivsolar-radius: 12px;
    --ivsolar-radius-lg: 20px;
    --ivsolar-transition: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--ivsolar-font-body);
    line-height: 1.6;
    color: var(--ivsolar-text);
    background: var(--ivsolar-cream);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--ivsolar-font-heading);
    color: var(--ivsolar-teal);
}

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

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

ul, ol {
    list-style: none;
}

/* ----------------------------------------
   LAYOUT
   ---------------------------------------- */
.ivsolar-container {
    max-width: var(--ivsolar-max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.ivsolar-section {
    padding: 100px 0;
}

.ivsolar-section-header {
    text-align: center;
    margin-bottom: 60px;
}

/* ----------------------------------------
   TYPOGRAPHY
   ---------------------------------------- */
.ivsolar-title {
    font-family: var(--ivsolar-font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--ivsolar-teal);
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 16px;
}

.ivsolar-title-hero {
    font-family: var(--ivsolar-font-heading);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    color: var(--ivsolar-white);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.ivsolar-subtitle {
    font-family: var(--ivsolar-font-body);
    font-size: 1.125rem;
    color: var(--ivsolar-text-muted);
    max-width: 600px;
    margin: 0 auto;
}

.ivsolar-text {
    font-family: var(--ivsolar-font-body);
    font-size: 1rem;
    color: var(--ivsolar-text);
    line-height: 1.7;
}

.ivsolar-highlight {
    color: var(--ivsolar-orange);
}

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

.ivsolar-highlight-olive {
    color: var(--ivsolar-olive);
}

/* ----------------------------------------
   BADGE
   ---------------------------------------- */
.ivsolar-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--ivsolar-orange-light);
    border: 1px solid var(--ivsolar-orange-border);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--ivsolar-orange);
    margin-bottom: 16px;
}

.ivsolar-badge svg {
    width: 16px;
    height: 16px;
}

.ivsolar-badge-olive {
    background: var(--ivsolar-olive-light);
    border-color: rgba(140, 158, 114, 0.3);
    color: var(--ivsolar-olive);
}

/* ----------------------------------------
   BUTTONS
   ---------------------------------------- */
.ivsolar-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px 32px;
    font-family: var(--ivsolar-font-body);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--ivsolar-radius);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--ivsolar-transition);
}

.ivsolar-btn svg {
    width: 20px;
    height: 20px;
}

.ivsolar-btn-primary {
    background: var(--ivsolar-gradient);
    color: var(--ivsolar-white);
    border-color: var(--ivsolar-orange);
    box-shadow: 0 4px 20px rgba(229, 132, 35, 0.35);
}

.ivsolar-btn-primary:hover {
    background: var(--ivsolar-orange-hover);
    border-color: var(--ivsolar-orange-hover);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(229, 132, 35, 0.45);
}

.ivsolar-btn-teal {
    background: var(--ivsolar-teal);
    color: var(--ivsolar-white);
    border-color: var(--ivsolar-teal);
}

.ivsolar-btn-teal:hover {
    background: #2D5249;
    border-color: #2D5249;
    transform: translateY(-3px);
}

.ivsolar-btn-outline {
    background: transparent;
    color: var(--ivsolar-white);
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.ivsolar-btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--ivsolar-white);
    transform: translateY(-3px);
}

.ivsolar-btn-outline-teal {
    background: transparent;
    color: var(--ivsolar-teal);
    border: 2px solid var(--ivsolar-teal);
}

.ivsolar-btn-outline-teal:hover {
    background: var(--ivsolar-teal);
    color: var(--ivsolar-white);
    transform: translateY(-3px);
}

.ivsolar-btn-white {
    background: var(--ivsolar-white);
    color: var(--ivsolar-orange);
    border: 2px solid var(--ivsolar-white);
    padding: 18px 48px;
    font-size: 1.1rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.ivsolar-btn-white:hover {
    background: transparent;
    color: var(--ivsolar-white);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
}

/* ----------------------------------------
   CARDS
   ---------------------------------------- */
.ivsolar-card {
    background: var(--ivsolar-white);
    padding: 40px 32px;
    border-radius: var(--ivsolar-radius-lg);
    text-align: center;
    border: 2px solid transparent;
    box-shadow: 0 4px 20px rgba(140, 158, 114, 0.08);
    transition: all var(--ivsolar-transition);
}

.ivsolar-card:hover {
    transform: translateY(-8px);
    border-color: var(--ivsolar-orange);
    box-shadow: 0 20px 40px rgba(229, 132, 35, 0.12);
}

.ivsolar-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--ivsolar-teal);
    margin-bottom: 12px;
}

.ivsolar-card p {
    font-size: 0.95rem;
    color: var(--ivsolar-text-muted);
    line-height: 1.6;
}

.ivsolar-card-icon {
    width: 72px;
    height: 72px;
    background: var(--ivsolar-gradient);
    border-radius: var(--ivsolar-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.ivsolar-card-icon svg {
    width: 36px;
    height: 36px;
    color: var(--ivsolar-white);
}

/* ----------------------------------------
   ICON BOX
   ---------------------------------------- */
.ivsolar-icon-box {
    width: 32px;
    height: 32px;
    background: var(--ivsolar-gradient);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.ivsolar-icon-box svg {
    width: 18px;
    height: 18px;
    color: var(--ivsolar-white);
}

.ivsolar-icon-box-lg {
    width: 56px;
    height: 56px;
    background: var(--ivsolar-gradient);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.ivsolar-icon-box-lg svg {
    width: 24px;
    height: 24px;
    color: var(--ivsolar-white);
}

/* ----------------------------------------
   STAT BOX
   ---------------------------------------- */
.ivsolar-stat {
    background: var(--ivsolar-orange-light);
    border: 1px solid var(--ivsolar-orange-border);
    border-radius: var(--ivsolar-radius-lg);
    padding: 32px;
    text-align: center;
}

.ivsolar-stat-value {
    font-family: var(--ivsolar-font-heading);
    font-size: 3rem;
    font-weight: 800;
    color: var(--ivsolar-orange);
    line-height: 1;
    margin-bottom: 8px;
}

.ivsolar-stat-label {
    font-size: 1rem;
    color: var(--ivsolar-text-muted);
    font-weight: 500;
}

/* ----------------------------------------
   FEATURE BLOCK
   ---------------------------------------- */
.ivsolar-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--ivsolar-olive-light);
    border-radius: var(--ivsolar-radius);
    border: 1px solid rgba(140, 158, 114, 0.2);
}

.ivsolar-feature svg {
    width: 24px;
    height: 24px;
    color: var(--ivsolar-olive);
    flex-shrink: 0;
}

.ivsolar-feature span {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--ivsolar-teal);
}

/* ----------------------------------------
   BENEFIT ITEM
   ---------------------------------------- */
.ivsolar-benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: var(--ivsolar-white);
    border-radius: 16px;
    border: 1px solid var(--ivsolar-border);
    transition: all var(--ivsolar-transition);
}

.ivsolar-benefit-item:hover {
    background: var(--ivsolar-orange-light);
    border-color: var(--ivsolar-orange-border);
}

.ivsolar-benefit-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--ivsolar-teal);
    margin-bottom: 4px;
}

.ivsolar-benefit-item p {
    font-size: 0.9rem;
    color: var(--ivsolar-text-light);
}

/* ----------------------------------------
   FORM
   ---------------------------------------- */
.ivsolar-form {
    background: var(--ivsolar-white);
    padding: 40px;
    border-radius: 24px;
    border: 1px solid var(--ivsolar-border);
    box-shadow: 0 4px 24px rgba(140, 158, 114, 0.08);
}

.ivsolar-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.ivsolar-form-group {
    margin-bottom: 20px;
}

.ivsolar-form-group.ivsolar-full-width {
    grid-column: 1 / -1;
}

.ivsolar-form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--ivsolar-teal);
}

.ivsolar-form-group input,
.ivsolar-form-group textarea,
.ivsolar-form-group select {
    width: 100%;
    padding: 14px 18px;
    background: var(--ivsolar-cream);
    border: 1px solid var(--ivsolar-border);
    border-radius: var(--ivsolar-radius);
    font-size: 1rem;
    color: var(--ivsolar-text);
    font-family: inherit;
    transition: all var(--ivsolar-transition);
}

.ivsolar-form-group input::placeholder,
.ivsolar-form-group textarea::placeholder {
    color: var(--ivsolar-text-light);
}

.ivsolar-form-group input:focus,
.ivsolar-form-group textarea:focus,
.ivsolar-form-group select:focus {
    outline: none;
    border-color: var(--ivsolar-orange);
    background: var(--ivsolar-white);
    box-shadow: 0 0 0 3px rgba(229, 132, 35, 0.1);
}

.ivsolar-form-group textarea {
    min-height: 120px;
    resize: vertical;
}

/* ----------------------------------------
   BACKGROUNDS
   ---------------------------------------- */
.ivsolar-bg-cream {
    background: var(--ivsolar-cream);
}

.ivsolar-bg-white {
    background: var(--ivsolar-white);
}

.ivsolar-bg-teal {
    background: var(--ivsolar-teal);
    color: var(--ivsolar-white);
}

.ivsolar-bg-teal h2,
.ivsolar-bg-teal h3,
.ivsolar-bg-teal h4 {
    color: var(--ivsolar-white);
}

.ivsolar-bg-teal .ivsolar-subtitle {
    color: rgba(255, 255, 255, 0.75);
}

.ivsolar-bg-teal .ivsolar-badge {
    background: rgba(229, 132, 35, 0.15);
    border-color: rgba(229, 132, 35, 0.3);
}

.ivsolar-bg-teal .ivsolar-benefit-item {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.1);
}

.ivsolar-bg-teal .ivsolar-benefit-item:hover {
    background: rgba(229, 132, 35, 0.1);
    border-color: rgba(229, 132, 35, 0.25);
}

.ivsolar-bg-teal .ivsolar-benefit-item h4 {
    color: var(--ivsolar-white);
}

.ivsolar-bg-teal .ivsolar-benefit-item p {
    color: rgba(255, 255, 255, 0.6);
}

.ivsolar-bg-teal .ivsolar-stat {
    background: rgba(229, 132, 35, 0.1);
    border-color: rgba(229, 132, 35, 0.2);
}

.ivsolar-bg-teal .ivsolar-stat-label {
    color: rgba(255, 255, 255, 0.8);
}

/* ----------------------------------------
   GRID HELPERS
   ---------------------------------------- */
.ivsolar-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.ivsolar-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

/* ----------------------------------------
   ANIMATIONS
   ---------------------------------------- */
.ivsolar-fade-in {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.ivsolar-fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes ivsolarFadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes ivsolarScrollWheel {
    0%, 100% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    50% {
        opacity: 0.3;
        transform: translateX(-50%) translateY(10px);
    }
}

@keyframes ivsolarPulse {
    0% {
        transform: scale(1);
        opacity: 0.5;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

/* ----------------------------------------
   WHATSAPP FLOAT
   ---------------------------------------- */
.ivsolar-whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ivsolar-white);
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 998;
    transition: all var(--ivsolar-transition);
    text-decoration: none;
}

.ivsolar-whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

.ivsolar-whatsapp-float svg {
    width: 32px;
    height: 32px;
}

.ivsolar-whatsapp-float::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: #25D366;
    z-index: -1;
    animation: ivsolarPulse 2s ease-out infinite;
}

.ivsolar-whatsapp-tooltip {
    position: absolute;
    right: 70px;
    background: var(--ivsolar-teal);
    color: var(--ivsolar-white);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transform: translateX(10px);
    transition: all var(--ivsolar-transition);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.ivsolar-whatsapp-tooltip::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    border-width: 6px;
    border-style: solid;
    border-color: transparent transparent transparent var(--ivsolar-teal);
}

.ivsolar-whatsapp-float:hover .ivsolar-whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

/* ----------------------------------------
   RESPONSIVE
   ---------------------------------------- */
@media (max-width: 1024px) {
    .ivsolar-grid-2 {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .ivsolar-grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .ivsolar-section {
        padding: 80px 0;
    }

    .ivsolar-grid-3 {
        grid-template-columns: 1fr;
    }

    .ivsolar-form {
        padding: 24px;
    }

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

    .ivsolar-stat-value {
        font-size: 2.5rem;
    }

    .ivsolar-whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 56px;
        height: 56px;
    }

    .ivsolar-whatsapp-float svg {
        width: 28px;
        height: 28px;
    }

    .ivsolar-whatsapp-tooltip {
        display: none;
    }
}

@media (max-width: 480px) {
    .ivsolar-container {
        padding: 0 16px;
    }

    .ivsolar-card {
        padding: 30px 24px;
    }

    .ivsolar-badge {
        font-size: 0.75rem;
        padding: 6px 12px;
    }

    .ivsolar-btn {
        padding: 14px 24px;
        font-size: 0.95rem;
    }
}